JavaScript - Javascript Cookies!
Hello everyone!
I am having really tough time learning JavaScript Cookies! Can somebody explain me how to use them? "Please do not provide any external links! It is a request!" Any type of basic lesson/advice/suggestion will be quite helpful to me. Thanks! Similar TutorialsHi all, I've been trying to set, get and delete js cookies for a while now, although they seem to set (from what I can tell) I can't seem to do what else I need with them. This is what I'm trying to do: Function1 - setCookie (sets a cookie called 'saveAndExit' - that's it, no expiry date) Function2 - useCookie (checks to see if a cookie called 'saveAndExit' exists and if it does alert("COOKIE WORKS") and then deletes the cookie If it doesn't exist alert("cookie does not exists") Could anyone assist with this? It's been driving me insane for days! Thanks. hello to everyone i need a way to create a cookie based on user selection from a dropdown list and a radio button set . from the drop down list i control var city (1,2,3...) and from the radio buttons dow(f,s) , cdate(a,b,c,...) , ctime (a,b,c,...) it is a clock format and i want in the first page when the user select's the format that he wants it will remain in every page until he leaves the site Thankz Hi I am very new to JavaScript. Please help me to get my code working. I want to store user preferences with cookie. With two buttons, to increase and decrease the font size. The following is my code to create cookies and check cookies. But I am lost with the buttons and other coding. Please help me.. Code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Untitled Document</title> <script type="text/javascript"> function createCookie(name,value,days) { if (days) { var date = new Date(); date.setTime(date.getTime()+(days*24*60*60*1000)); var expires = "; expires="+date.toGMTString(); } else var expires = ""; document.cookie = name+"="+value+expires; } function checkCookie(name) { var nameEQ = name + "="; var ca = document.cookie.split(';'); for(var i=0;i < ca.length;i++) { var c = ca[i]; while (c.charAt(0)==' ') c = c.substring(1,c.length); if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length); } return null; } function fsize(size,unit,id){ var vfontsize = document.getElementById("text1"); if(vfontsize){ vfontsize.style.fontSize = size + unit; createCookie("textsizestyle", textsize, 365); } } var cookie = readCookie("textsizestyle"); textsize = cookie ? cookie : 10; fsize(textsize,'px','content'); </script> </head> <body> <label> Change this font according to button click </label><br /> <input type="button" id="text1" value=" small" onclick="fsize()"/> <input type="button" id="text2" value="big" onclick="fsize()"/> </body> </html> Thanks Hi I am working on a .net basket where I save the info for the products in the basket etc in a cookie. Now I have an html button on the basket page where I want to be able to delete the product (Cookie). I am using Code: <script type="text/javascript"> function delete_cookie ( cookie_name ) { expires = Now(); document.cookie = cookie_Name+"= ;expires="+expires.toGMTString(); } </script>But I get an error that says the cookie is not delcared? But it does exist because I retrive the name of the cookie when looping through the cookie list. What am I doing wrong here? hy guys I have this Ad Script script: <HEAD> section Code: <style type="text/css"> <!-- #sponsorAdDiv {position:absolute; height:1; width:1px; top:0; left:0;} --> </style> <script type="text/javascript"> adTime=10; // seconds ad reminder is shown chanceAd=1; // ad will be shown 1 in X times (put 1 for everytime) var ns=(document.layers); var ie=(document.all); var w3=(document.getElementById && !ie); var calunit=ns? "" : "px" adCount=0; function initAd(){ if(!ns && !ie && !w3) return; if(ie) adDiv=eval('document.all.sponsorAdDiv.style'); else if(ns) adDiv=eval('document.layers["sponsorAdDiv"]'); else if(w3) adDiv=eval('document.getElementById("sponsorAdDiv").style'); randAd=Math.ceil(Math.random()*chanceAd); if (ie||w3) adDiv.visibility="visible"; else adDiv.visibility ="show"; if(randAd==1) showAd(); } function showAd(){ if(adCount<adTime*10){adCount+=1; if (ie){documentWidth =truebody().offsetWidth/2+truebody().scrollLeft-20; documentHeight =truebody().offsetHeight/2+truebody().scrollTop-20;} else if (ns){documentWidth=window.innerWidth/2+window.pageXOffset-20; documentHeight=window.innerHeight/2+window.pageYOffset-20;} else if (w3){documentWidth=self.innerWidth/2+window.pageXOffset-20; documentHeight=self.innerHeight/2+window.pageYOffset-20;} adDiv.left=documentWidth-200+calunit;adDiv.top =documentHeight-200+calunit; setTimeout("showAd()",100);}else closeAd(); } function closeAd(){ if (ie||w3) adDiv.display="none"; else adDiv.visibility ="hide"; } function truebody(){ return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body } onload=initAd; //End--> </script> right above the </BODY> Code: <div id="sponsorAdDiv" style="visibility:hidden"> <table width="450px" height="350px" bgcolor="#008000"><tr><td> <table width="445px" height="345px" bgcolor="#F0FFF0"><tr><td align="center" valign="middle"> <!--*****EDIT THIS MESSAGE*****--> <!--*****EDIT THE ABOVE MESSAGE*****--> </td></tr></table></td></tr></table> </div> And i trying to find a way to show a div with text and images just once per day using cookies....i like something like this http://javascript.internet.com/cooki...opup-once.html but not with popup. I am trying to make it when a user comes to a site, if they have been there before an alert box will open saying "Welcome firstname, lastname, and email address". Right now I can get the code to work to show a first name, but when I try to get it to also show the last name and email I get an error or something like "Welcome NaN NaN, NaN". Here is the code I have right now. Code: function confirmSubmission() { var confirmed = validateData(); return confirmed; }//confirmSubmission function validateData() { if (document.forms[0].elements[1].value == "") { alert("You must enter a first name."); document.forms[0].elements[1].focus(); return false; }//blank first name if (document.forms[0].elements[2].value == "") { alert("You must enter a last name."); document.forms[0].elements[2].focus(); return false; }//blank last name if (document.forms[0].elements[3].value == "") { alert("You must enter an address."); document.forms[0].elements[3].focus(); return false; }//blank address if (document.forms[0].elements[4].value == "") { alert("You must enter a city."); document.forms[0].elements[4].focus(); return false; }//blank city if (document.forms[0].elements[5].value == "") { alert("You must enter a state."); document.forms[0].elements[5].focus(); return false; }//blank state if (document.forms[0].elements[6].value == "") { alert("You must enter a zipcode."); document.forms[0].elements[6].focus(); return false; } else { if (/...../.test(document.forms[0].elements[6].value) == false) { alert("You must enter a valid zipcode."); document.forms[0].elements[6].focus(); return false; } }//blank zip if (document.forms[0].elements[7].value == "") { alert("You must enter an e-mail address."); document.forms[0].elements[7].focus(); return false; } else { if (/@/.test(document.forms[0].elements[7].value) == false || (document.forms[0].elements[7].value).indexOf(".", (document.forms[0].elements[7].value).indexOf("@")) == -1) { alert("You must enter a valid e-mail address."); document.forms[0].elements[7].focus(); return false; } }//blank email if (document.forms[0].elements[8].value == "" || document.forms[0].elements[9].value == "" || document.forms[0].elements[10].value == "") { alert("You must enter a telephone number."); document.forms[0].elements[8].focus(); return false; } else { if (/.../.test(document.forms[0].elements[8].value) == false) { alert("You must enter a valid area code."); document.forms[0].elements[8].focus; return false; }//area code else if (/.../.test(document.forms[0].elements[9].value) == false) { alert("You must enter a valid telephone exchange."); document.forms[0].elements[9].focus; return false; }//NNX else if (/..../.test(document.forms[0].elements[10].value) == false) { alert("Your number must be four characters."); document.forms[0].elements[10].focus; return false; }//number }//blank telephone setCookie('username', document.forms[0].elements[1].value, 2); return true; }//validateData function setCookie(c_name, value, expiredays) { var expDate=new Date(); expDate.setDate(expDate.getDate() + expiredays); document.cookie=c_name + "=" + escape(value) + ((expiredays==null) ? "" : ";expires=" + expDate.toUTCString()); And on another page I have: Code: function checkCookie() { username = getCookie('username'); if (username != null && username != "") alert('Welcome back, ' + username + '!'); }//checkCookie function getCookie(c_name) { if (document.cookie.length > 0) { c_start = document.cookie.indexOf(c_name + "="); if (c_start != -1) { c_start = c_start + c_name.length + 1; c_end = document.cookie.indexOf(";", c_start); if (c_end == -1) c_end=document.cookie.length; return unescape(document.cookie.substring(c_start, c_end)); } } return ""; } Any help would be appreciated. I'm running into a bit of problems trying to use some JS cookies. I have 2 values I want stored and have created the following set cookie function
Code: setCookie(Name, amountCorrect, totalAmountCorrect, max-age) { document.cookie = "averageScore" + quizAverageIncrement + totalCorrect +"; max-age=" + 1000 * 60 * 60 * 24 * 30 +"; path=/; } Now I want to read the cookie and use the values from the two variables "averageScore" and "quizAverageIncrement" I'm not sure exactly how to be able to use the values of those two variables since they have been concatenated into a string when the cookie is made (I think). So I would like to start with Code: function getCookie(averageScore) { // if cookie is blank on first iteration do nothing else retrieve values I need. \n if (document.cookie.length > 0 Thats all I have please point me in the right direction to retrieve these values and use them in my JS elsewhere. I've looked on several websites and several threads here regarding writing and reading cookies with javascript, and I just can't seem to get it to work. All I want is a simple text box with 2 buttons: Save and Recall. Text entered into box is saved to a cookie when "Save" is pressed, and at a later date when "Recall" is pressed the saved text will show up in the box. Can you help please? Hi... is there a way to create iframes using cookies and javascript ? What i need to do is to have a way to create a cookie on page one, and use the info on page two to create the iframe. Users will see a list of "external links", once they click on a link, they will be redirected to a page that will generate a iframe of the chosen link. My guess is that if there is a way, it must need to use cookies to store the info (url) to get used by the script that will create the iframe on the page that will be used to show all iframes. Any ideas or help with this will be apriciated. Sorry for my poor english. I'm more of an actionscript person but got roped into an html/javascript job. What I need to do, and it shouldn't be that difficult is this: page1.html - there is a yellow button and a red button - if the user clicks on the yellow button I want to set a cookie with the value "yel" then load the next page - if they click the red button set that cookie with the value "red" page2.html - 'onload' i want to read that cookie and load up the main image to match, something like this maybe?... document.mainimage.src='img/main_' + variable + '.png' so that the path would be for example 'img/main_red.png' Any help please? Preferably javascript only and as simple as possible. If you think this would be easier sending that variable in the URL instead of as a cookie please explain. I'm having a very hard time searching for tutorials that are any good and that do exactly this kind of thing. Hello guys! I have a jquery fancybox that pop's up on exit (using onbeforeunload), now i want it to show only once so i tried doing it with cookies but i just can get it to work. this is my script so far hope you can help me with this, Thanks! Code: <script type="text/javascript"> function PopIt() { if (document.cookie.length == 0) { var exdate=new Date(); exdate.setDate(exdate.getDate()+7); document.cookie="cook=yes" + ";expires="+exdate.toUTCString(); $("a#trigger").trigger('click'); window.onbeforeunload = UnPopIt; return "Before you leave:\nPlease take a few seconds to answer 2 questions\nso we can better assist you and others in the future. \nThanks!"; } } function UnPopIt() { /* nothing to return */ } $(document).ready(function() { window.onbeforeunload = PopIt; $("a#trigger").fancybox({ 'hideOnContentClick': false, 'showCloseButton': true }); $("a[id!=trigger]").click(function(){ window.onbeforeunload = UnPopIt; }); }); </script> Hello, Im pretty new at JavaScript still, and I am trying to add cookies to a page of my website, so that what is entered into form fields, is retained for future visits. Below is my code, and I am scratching my head as to why it is not working for me! I have viewed a few different cookie tutorials, and so far trying to shape them around what I am seeking, is leading me to my broken code. Javascript: Code: var today = new Date(); var expiry = new Date(today.getTime() + 100 * 24 * 3600 * 1000); function setCookie(name, value) { document.cookie=name + "=" + escape(value) + "; path=/; expires=" + expiry.toGMTString(); } function storeValues(form) { setCookie("name", contact.name.value); setCookie("email", contact.email.value); setCookie("phone", contact.phone.value); return true; } if(name = getCookie("name")) document.contact.name.value = name; if(email = getCookie("email")) document.contact.email.value = email; if(phone =getCookie("phone")) document.contact.phone.value = phone; HTML for the Form Code: <form action="mailto:ksim@dbk.com" method="POST" name="contact" onsubmit="return validateForm();" > <ul> <li> <strong>Name<font color="#5fb81e">*</font></strong> <div><input type="text" size="25" name="name" /></div> </li> <li> <strong>E-mail Address<font color="#5fb81e">*</font></strong> <div><input type="text" size="25" name="email" /></div> </li> <li> <strong>Phone Number<font color="#5fb81e">*</font></strong> <div><input type="text" size="25" name="phone" /></div> </li> <li> <strong>Prefered Type of Contact?<font color="#5fb81e">*</font></strong> <div><input type="radio" name="contact" value="email" id="contactem" /> E-mail<br /> <input type="radio" name="contact" value="phone" id="contactph" /> Phone</div> </li> <li> <strong>Reason For Contact?</strong> <div><input type="checkbox" name="reason" value="showinfo" />Show Information<br /> <input type="checkbox" name="reason" value="groupinfo" />Group Information<br /> <input type="checkbox" name="reason" value="collab" /> Collaboration<br /> <input type="checkbox" name="reason" value="misc" />Misc </div> </li> <li> <strong>What Are You Contacting About?<font color="#5fb81e">*</font></strong> <div><textarea name="message" rows="7" cols="28"></textarea></div> </li> <li> <strong></strong> <div><input type="button" value="Save" conclick="setCookie();"/><button type="reset">Reset</button><button type="submit">Submit</button> </div> </li> </ul> If anyone has some tips to point me in the right direction, and let me see the error of my ways (pun totally intended) I would appreciate it. Hi all, I am having some problems with the below multiple image upload script. Code: <script type="text/javascript"> set_cookie ( "uid", "14" ); </script> <script type="text/javascript"> $(function(){ $('#swfupload-control').swfupload({ upload_url: "upload-file.php", file_post_name: 'uploadfile', file_size_limit : "10240", file_types : "*.jpg;*.png;*.gif", file_types_description : "Image files", file_upload_limit : 100, flash_url : "jquery/swfupload/swfupload.swf", button_image_url : 'jquery/swfupload/wdp_buttons_upload_114x29.png', button_width : 114, button_height : 29, button_placeholder : $('#button')[0], debug: false }) .bind('fileQueued', function(event, file){ var listitem='<li id="'+file.id+'" >'+ 'File: <em>'+file.name+'</em> ('+Math.round(file.size/1024)+' KB) <span class="progressvalue" ></span>'+ '<div class="progressbar" ><div class="progress" ></div></div>'+ '<p class="status" >Pending</p>'+ '<span class="cancel" > </span>'+ '</li>'; $('#log').append(listitem); $('li#'+file.id+' .cancel').bind('click', function(){ var swfu = $.swfupload.getInstance('#swfupload-control'); swfu.cancelUpload(file.id); $('li#'+file.id).slideUp('fast'); }); // start the upload since it's queued $(this).swfupload('startUpload'); }) .bind('fileQueueError', function(event, file, errorCode, message){ alert('Size of the file '+file.name+' is greater than limit'); }) .bind('fileDialogComplete', function(event, numFilesSelected, numFilesQueued){ $('#queuestatus').text('Files Selected: '+numFilesSelected+' / Queued Files: '+numFilesQueued); }) .bind('uploadStart', function(event, file){ $('#log li#'+file.id).find('p.status').text('Uploading...'); $('#log li#'+file.id).find('span.progressvalue').text('0%'); $('#log li#'+file.id).find('span.cancel').hide(); }) .bind('uploadProgress', function(event, file, bytesLoaded){ //Show Progress var percentage=Math.round((bytesLoaded/file.size)*100); $('#log li#'+file.id).find('div.progress').css('width', percentage+'%'); $('#log li#'+file.id).find('span.progressvalue').text(percentage+'%'); }) .bind('uploadSuccess', function(event, file, serverData){ var item=$('#log li#'+file.id); item.find('div.progress').css('width', '100%'); item.find('span.progressvalue').text('100%'); var pathtofile='<img src="uploads/'+file.name+'" height="120px" width="120px"></img>'; item.addClass('success').find('p.status').html(pathtofile); }) .bind('uploadComplete', function(event, file){ // upload has completed, try the next one in the queue $(this).swfupload('startUpload'); }) }); </script> Process Page (upload-file.php) Code: <script type="text/javascript"> function get_cookie ( uid ) { var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' ); if ( results ) return ( unescape ( results[2] ) ); else return null; } </script> <?php include('includes/config.php'); $uploaddir = 'uploads/'; $file = $uploaddir . basename($_FILES['uploadfile']['name']); $size=$_FILES['uploadfile']['size']; if($size>10485760) { echo "error file size > 10 MB"; unlink($_FILES['uploadfile']['tmp_name']); exit; } if (move_uploaded_file($_FILES['uploadfile']['tmp_name'], $file)) { $uploadedfiles = ($_FILES); $files = $uploadedfiles; foreach($files as $value) $a_id = $_COOKIE['a_id']; $u_id = '<script type="text/javascript">var x = get_cookie ( "uid" );</script>'; { $insert = "INSERT INTO images (a_id, u_id) VALUES ('$a_id', '$u_id')"; mysql_query($insert) or die(mysql_error()); } echo "success"; } else { echo "error ".$_FILES['uploadfile']['error']." --- ".$_FILES['uploadfile']['tmp_name']." %%% ".$file."($size)"; } ?> Basically the problem I am having that when the row is entered into the database, it always inputs a 0 for a_id and u_id, I have tried this with php cookies, php sessions and now I am trying with javascript cookies. Why wont the included file read the cookies? Is their anyway to pass data into this script? I believe that Code: upload_url: "upload-file.php", is the issue, I cant seem to parse any data into this file? Any help would be greatly appreciated, this is driving me nuts! Hi! I'm trying to make a multiple choice quiz using javascript. I downloaded codes from http://www.javascriptkit.com/script/cut180.shtml But when I used it nothing comes up on the results (number of correct answer, number of wrong answer and percentage) as well as the solution box is empty. I tried it on Google Chrome and it says "Your browser does not accept cookies. Please adjust your settings." So I tried it in Safari because that's what we use in school and it doesn't work. The results and solution box is empty. I am guessing that problem is with cookies? Please help me. Here are my codes: - Quiz //Enter total number of questions: var totalquestions=10 //Enter the solutions corresponding to each question: var correctchoices=new Array() correctchoices[1]='a' //question 1 solution correctchoices[2]='d' //question 2 solution, and so on. correctchoices[3]='b' correctchoices[4]='b' correctchoices[5]='c' correctchoices[6]='b' correctchoices[7]='a' correctchoices[8]='c' correctchoices[9]='d' correctchoices[10]='b' /////Don't edit beyond here////////////////////////// function gradeit(){ var incorrect=null for (q=1;q<=totalquestions;q++){ var thequestion=eval("document.myquiz.question"+q) for (c=0;c<thequestion.length;c++){ if (thequestion[c].checked==true) actualchoices[q]=thequestion[c].value } if (actualchoices[q]!=correctchoices[q]){ //process an incorrect choice if (incorrect==null) incorrect=q else incorrect+="/"+q } } if (incorrect==null) incorrect="a/b" document.cookie='q='+incorrect if (document.cookie=='') alert("Your browser does not accept cookies. Please adjust your browser settings.") else window.location="results.htm" } function showsolution(){ var win2=window.open("","win2","width=200,height=350, scrollbars") win2.focus() win2.document.open() win2.document.write('<title>Solution</title>') win2.document.write('<body bgcolor="#FFFFFF">') win2.document.write('<center><h3>Solution to Quiz</h3></center>') win2.document.write('<center><font face="Arial">') for (i=1;i<=totalquestions;i++){ for (temp=0;temp<incorrect.length;temp++){ if (i==incorrect[temp]) wrong=1 } if (wrong==1){ win2.document.write("Question "+i+"="+correctchoices[i].fontcolor("red")+"<br>") wrong=0 } else win2.document.write("Question "+i+"="+correctchoices[i]+"<br>") } win2.document.write('</center></font>') win2.document.close() } ______________________________________________________________ For Results <html> <head> <title>Instant Quiz Results</title> </head> <body bgcolor="#FFFFFF"> <p align="center"><strong><font face="Arial"> <script src="quizconfig.js"> </script>Quiz Results Summary</font></strong></p> <div align="center"><center> <table border="0" cellspacing="0" cellpadding="0"> <tr> <td width="100%"><form method="POST" name="result"><table border="0" width="100%" cellpadding="0" height="116"> <tr> <td height="25" bgcolor="#D3FFA8"><strong><font face="Arial">Number Of Correct Questions:</font></strong></td> <td height="25"><p><input type="text" name="p" size="24"></td> </tr> <tr> <td height="17" bgcolor="#D3FFA8"><strong><font face="Arial">Wrong Questions:</font></strong></td> <td height="17"><p><textarea name="T2" rows="3" cols="24" wrap="virtual"></textarea></td> </tr> <tr> <td height="25" bgcolor="#D3FFA8"><strong><font face="Arial">Grade Percentage:</font></strong></td> <td height="25"><input type="text" name="q" size="8"></td> </tr> </table> </form> </td> </tr> </table> </center></div> <form method="POST"><div align="center"><center><p> <script> var wrong=0 for (e=0;e<=2;e++) document.result[e].value="" var results=document.cookie.split(";") for (n=0;n<=results.length-1;n++){ if (results[n].charAt(1)=='q') parse=n } var incorrect=results[parse].split("=") incorrect=incorrect[1].split("/") if (incorrect[incorrect.length-1]=='b') incorrect="" document.result[0].value=totalquestions-incorrect.length+" out of "+totalquestions document.result[2].value=(totalquestions-incorrect.length)/totalquestions*100+"%" for (temp=0;temp<incorrect.length;temp++) document.result[1].value+=incorrect[temp]+", " </script> <input type="button" value="Retake Quiz" name="B1" onClick="history.go(-1)"> <input type="button" value="Show Solution" name="B2" onClick="showsolution()"></p> </center></div> </form> </body> </html> Please help me. I've been trying to find out what is wrong with my codes for a week. Thanks in advance! Hello. I have a youtube video that autoplays everytime one opens the webpage containing the video. The only extra parameter that causes the video to autoplay is having the following added at the end of the embed src link: "&autoplay=1" If that is not present or if a zero is present in place of the 1, the video does not autoplay. I would like the video to play only once per session. If one is visiting the webpage a second time, the parameter above should not be present or the 1 should be a zero. I am modifying attempting to modify this code: http://www.javascriptkit.com/script/...2/postit.shtml and I am able to get differnt urls to print on screen depending if it's a first visit or not. Problem 1: I cannot however get this to work in Google Chrome. Problem 2: When I attempt to get the url to be printed inside the embed src [/B]link, which is inside the object tag, the javascript either gets printed or that portion is ignored. I don't know if this is because of the quotations and the way I am handling them or if because javascript cannot be inserted inside an object tag. Here is the code: Code: <html> <body> <br><br> <script type="text/javascript"> //Post-it only once per browser session? (0=no, 1=yes) //Specifying 0 will cause postit to display every time page is loaded var once_per_browser=1 ///No need to edit beyond here/// /* var ns4=document.layers var ie4=document.all var ns6=document.getElementById&&!document.all if (ns4) crossobj=document.layers.postit else if (ie4||ns6) crossobj=ns6? document.getElementById("postit") : document.all.postit function closeit(){ if (ie4||ns6) crossobj.style.visibility="hidden" else if (ns4) crossobj.visibility="hide" } */ var url = "\"http://www.youtube.com/blah/version=3&hl=en_US&fs=1\""; function get_cookie(Name) { var search = Name + "=" var returnvalue = ""; if (document.cookie.length > 0) { offset = document.cookie.indexOf(search) if (offset != -1) { // if cookie exists offset += search.length // set index of beginning of value end = document.cookie.indexOf(";", offset); // set index of end of cookie value if (end == -1) end = document.cookie.length; returnvalue=unescape(document.cookie.substring(offset, end)) } } return returnvalue; } function showornot(){ if (get_cookie('postdisplay')==''){ showit() document.cookie="postdisplay=yes" } } function showit(){ url = "\"http://www.youtube.com/blah/version=3&hl=en_US&fs=1&autoplay=1\""; /*if (ie4||ns6) crossobj.style.visibility="visible" else if (ns4) crossobj.visibility="show" */ } if (once_per_browser) showornot() else showit() </script> <b>Outside the Object Tag:</b> <br> <script type="text/javascript">document.write(url);</script> <br><br> <b>In the Object Tag</b> <br><br> <object width="570" height="250"><param name="movie" value="http://www.youtube.com/blah?version=3&hl=en_US&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src=<script type="text/javascript">document.write(url);</script> type="application/x-shockwave-flash" width="570" height="250" allowscriptaccess="always" allowfullscreen="true"></embed></object> </body> </html> I am in the process of learning 'JavaScript' and I am having a problem understanding how to delete cookies. I understand that to do delete a cookie you want to set the expiration attribute of the cookie to delete, to any date in the past. My confusion lies in the exact syntax of how to do this. In the example s I have seen in books and on the internet it appears that you must submit the "exact" name/value pair that you originally set the cookie with to delete it. For an example: var UserId = "MrJones", password = "secret"; var currentDate = new Date(); currentDate.setFullYear(currentDate.getFullYear()+1); document.cookie = encodeURI("userid=" + UserId " + "; " + "password=" + password + "; expires=" + currentDate.toUTCString()); What is the minimum syntax I would need to delete the cookie above? Also, I need clarification on the terminology. Is a single cookie a collection of name/value pairs(also known as crumbs) or is each name/value pair considered a cookie unto itself? Why does the ECMA board allow people on drugs to be part of settings standards for programming languages that will be used by the entire world? I've been reading a book on JavaScript and have had no problems understanding anything until reaching Chapter 9 and the subject of cookies. This syntax is crazy. And the way you add to a cookie by using just an assignment operator? How about a cookie.Add() and a cookie.Delete() method? Please assist, I have the following code to remember form inormation but it does not seem to work. Probably something stupid. Code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Contact Page</title> <meta http-equiv="content-type" content="text/html; charset=iso-8859-1" /> <link rel="stylesheet" href="yorkie.css" type="text/css" /> <script type="text/javascript"> /* <![CDATA[ */ // Confirm resetting of forms. function confirmReset() { var resetForm = confirm("Are you sure you want to reset the form?"); if (resetForm == true) return true; return false; } // If box clicked value within disappears function Focus(element) { if (element.value == element.defaultValue) { element.value = ''; } } // If nothing typed and box onblur the default value is restored within function Blank(element) { if (element.value == '') { element.value = element.defaultValue; } } // Submission of Contact Form Verified function verifySubmission() { var retValue = true; if (document.forms[2].email.value == "Enter Email Address" || document.forms[2].firstname.value == "Enter First Name" || document.forms[2].lastname.value == "Enter Last Name" || document.forms[2].telephone.value == "Enter Contact number") { window.alert("You did not fill in one of the following required fields: First Name, Last Name, Email Address, or Telephone Number."); retValue = false; } return retValue; } // Email address verified as a valid email address function validateEmail(formObject) { var email = formObject.value; var emailCheck = /^[_\w\-]+(\.[_\w\-]+)*@[\w\-]+(\.[\w\-]+)*(\.[\D]{2,3})$/; if (emailCheck.test(email) == false) { window.alert("The e-mail address you entered does not appear to be valid."); formObject.value = formObject.defaultValue; return false; } formObject.value = email.toLowerCase(); return true; } // Telephone number verified as a valid 10 digit number with no alpha characters function verifyPhone(number) { var phone = number.value; var phoneCheck = /^(\d{10})$/; if(phoneCheck.test(phone) == false) { window.alert("The telephone number you entered does not appear to be valid."); number.value = number.defaultValue; return false; } return true; } // Show additional contact form details onclick of yes radio button function showDiv() { document.getElementById('breeders').style.visibility = 'visible'; } // Hide certain contact form info onclick of No radio button function hideDiv() { document.getElementById('breeders').style.visibility = 'hidden'; } // SAVE FORM INFORMATION FOR THE NEXT VISIT function saveSelections(frm) { var setvalue; var fieldType; var index; var formname = frm.name; // CookieExpiry in 30 days. var today = new Date(); var exp = new Date(today.getTime()+30*24*60*60*1000); var string = "formname=" + formname + "|"; var cookieName = formname; var n = frm.length; for (i = 0; i < n; i++) { e = frm[i].name; fieldValue = frm[i].value; fieldType = frm[i].type; // Radio Buttons if (fieldType == "radio") { for (x=0; x < frm.elements[e].length; x++) { if (frm.elements[e][x].checked) { index = x } } string = string + index + "\|"; } // Text, Textarea, and dropdowns if ((fieldType == "text") || (fieldType == "textarea") || (fieldType == "select")) { string = string + frm.elements[e].value + "\|"; } // Checkboxes if (fieldType == "checkbox") { if (frm.elements[e].checked==true) { var setvalue = "1"; } if (frm.elements[e].checked==false) { var setvalue = "0"; } string = string + setvalue + "\|"; } // Hidden field if (fieldType == "hidden") { string = string + frm.elements[e].value + "\|"; } } setCookie(cookieName, string, exp); } // Load Form Fields from saved cookie function loadSelections(frm) { var e; var z; var x; var cookieName; var fieldArray; var fieldValues; var fieldValue; var formname = frm.id; // Retrieve form elements from cookie and split into array. cookieName = formname; fieldValues = getCookie(cookieName); fieldArray = fieldValues.split("\|"); var n = frm.length; for (i = 0; i < n; i++) { e = frm[i].name; z = i; z++; var fieldType = frm[i].type; var fieldValue = fieldArray[z]; // Radio Buttons if (fieldType == "radio") { x = fieldValue; frm.elements[e][x].checked = true; } // Text, Textarea, and dropdowns if ((fieldType == "text") || (fieldType == "textarea") || (fieldType == "select")) { frm.elements[e].value = fieldValue; } // Checkboxes if (fieldType == "checkbox") { var fld_checkbox = fieldValue; if (fld_checkbox == "1") { frm.elements[e].checked = true; } } // Hidden fields if (fieldType == "hidden") { frm.elements[e].value = fieldValue; } } } // COOKIE FUNCTIONS function setCookie(name, value, expires) { document.cookie= name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : ""); } function getCookie(name) { var dc = document.cookie; var prefix = name + "="; var begin = dc.indexOf("; " + prefix); if (begin == -1) { begin = dc.indexOf(prefix); if (begin != 0) return null; } else { begin += 2; } var end = document.cookie.indexOf(";", begin); if (end == -1) { end = dc.length; } return unescape(dc.substring(begin + prefix.length, end)); } /* ]]> */ </script> </head> <body class="contact" onload="var begin=setInterval('changeBanner()',9000); currentClock(); currentDate(); document.getElementById('breeders').style.visibility = 'hidden'; " onunload="saveSelections(document.forms[0])"> <table width="92%"> <form action="mailto:lynette@sayorkies.co.za, subject=Contact Form" method="post" enctype="text/plain" onsubmit="return verifySubmission()" onreset="return confirmReset();"> <table class="center" cellpadding="5" border="1"> <!-- This enters a horizontal line --> <tr><td><hr /></td></tr> <!-- This is for the personal information --> <tr><td><strong>Tell us who you a </strong></td></tr> <tr><td><input type="text" name="firstname" size="25" maxlength="35" value="Enter First Name" onfocus="Focus(this);" onblur="Blank(this);" /> * <input type="text" name="lastname" style="margin-left: 52px;" size="25" maxlength="35" value="Enter Last Name" onfocus="Focus(this);" onblur="Blank(this);" /> *</td></tr> <!-- This is for the contact information --> <tr><td><strong>Your Contact details:</strong></td></tr> <tr><td><input type="text" name="email" size="30" maxlength="60" value="Enter Email Address" onfocus="Focus(this);" onblur="Blank(this); validateEmail(this)" /> * <input type="text" name="telephone" style="margin-left: 20px;" size="20" maxlength="10" value="Enter Contact number" onfocus="Focus(this);" onblur="Blank(this); verifyPhone(this)" /> * </td></tr> <!-- This is where you enter your message also select what type of message--> <tr><td><strong>Your Message:</strong></td></tr> <tr><td align="left">What is your message about?<br /> <input type="radio" name="type" value="compliment" /> Compliment <input type="radio" name="type" value="complaint" /> Complaint <input type="radio" name="type" value="general" checked="checked" /> General <input type="radio" name="type" value="enquiry" /> Enquiry <input type="radio" name="type" value="feedback" /> Feedback</td></tr> <tr><td align="center"><textarea name="message" rows="6" cols="45" onfocus="Focus(this);" onblur="Blank(this)">Enter your message here...</textarea></td></tr> <!-- Additional information --> <tr><td align="left">Are you looking to purchase a Yorkie puppy?<br /> <input type="radio" name="purchase" value="yes" /> Yes <input type="radio" name="purchase" value="no" checked="checked" /> No</td></tr> <tr><td align="left">Do you own a Yorkie?<br /> <input type="radio" name="owner" value="yes" onclick="showDiv()" /> Yes <input type="radio" name="owner" value="no" checked="checked" onclick="hideDiv()" /> No<br /> <!-- If answer is no above the below questions are hidden, if yes then they appear --> <div id="breeders"> How many? <select name="qnty" size="1"> <option value="1">1</option> <option value="2">2</option> <option value="3">3</option> <option value="4">4</option> <option value="5">5+</option></select> Are you a breeder? <input type="radio" name="breeder" value="yes" /> Yes <input type="radio" name="breeder" value="no" checked="checked" /> No</div></td></tr> <!-- Subscriptions --> <tr><td align="left">Do you wish to subscribe to the following?<br /> <input type="checkbox" name="subscribe" value="letter" checked="checked" /> Monthly Newsletter<br /> <input type="checkbox" name="subscribe" value="pups" /> Notification of a new litter<br /> <input type="checkbox" name="subscribe" value="updates" /> Notification of site updates<br /> <input type="checkbox" name="subscribe" value="register" /> Registrations</td></tr> <!-- Add a picture file --> <tr><td align="left">Upload your favourite Yorkie photo for the Picture of the Month.<br /> <input type="file" name="upload" accept="image/gif, image/jpeg" size="30" style="margin-left: 15px; margin-top:5px;" /></td></tr> <!-- This enters a horizontal line --> <tr><td><hr /></td></tr> <tr><td align="center">Required fields marked with *</td></tr> <!-- Buttons to clear the form or to submit the form --> <tr><td align="center"><input type="reset" value="Clear the Form" /> <input type="submit" value="Send your message" /></td></tr> </table></form<script type="text/javascript">loadSelections(document.forms[0]);</script> </body> </html> Console Error: Unable to get value of the property 'split': object is null or undefined for this line: Code: fieldArray = fieldValues.split("\|"); I am hitting a brick wall, dont know what to do? Hi there Guys, I'm looking to set a cookie that lasts 24 hours and has a specific name. The function is to check how many times a page has been visited by individual people and display it at the bottom of a HTML page. I have an existing script that holds the data for 6 months that i have found as below. My question, Can any one help me change this to the required time? I'm a Noob when it comes to java scripting but enthusiastic to learn. Code: <SCRIPT> expireDate = new Date expireDate.setMonth(expireDate.getMonth()+6) jcount = eval(cookieVal("jaafarCounter")) jcount++ document.cookie = "test jaafarCounter="+jcount+";expires=" + expireDate.toGMTString() function cookieVal(cookieName) { thisCookie = document.cookie.split("; ") for (i=0; i<thisCookie.length; i++){ if (cookieName == thisCookie[i].split("=")[0]){ return thisCookie[i].split("=")[1] } } return 0 } function page_counter(){ for (i=0;i<(3-jcount.toString().length);i++) document.write('<span class="counter">0</span>') for (y=0;y<(jcount.toString().length);y++) document.write('<span class="counter">'+jcount.toString().charAt(y)+'</span>') } </SCRIPT> If I create a cookie in PHP here. PHP Code: setcookie('cookie_cl_'.$client_id, 'cookie_cl_'.$client_id, $time, "/","", 0); the php script is set on domain B the javascript I want to read the cookie is set on domain B as well However, the hosted on DOMAIN A Code: <script src=domain B .js> I want the cookie to remain on domain B, but if I open the JS file using domain A, both php and JS are using domain B, though I can't seem to get the JS to find the cookie, is it looking at domain A ? am I suppose to set a domain on cookie for this to work? Hopefully this makes sense. Hi is it possible to email cookies to my email address. I have a order form and it saves all the information within a cookie and then goes to the payment page. I want to email the order details along with the payment detail to myself. Is this possible and how. Below example of my cookie: Code: function nextForm() { document.cookie = "prod1=" + encodeURIComponent(document.forms[0].prod1.value); document.cookie = "prod2=" + encodeURIComponent(document.forms[0].prod2.value); document.cookie = "prod3=" + encodeURIComponent(document.forms[0].prod3.value); location.href="Payment.html"; } I then have my payment cookie: Code: function paymentForm() { document.cookie = "FirstName=" + encodeURIComponent(document.forms[2].firstname.value) + ";secure=true"; document.cookie = "LastName=" + encodeURIComponent(document.forms[2].lastname.value) + ";secure=true"; document.cookie = "Email=" + encodeURIComponent(document.forms[2].email.value) + ";secure=true"; document.cookie = "PhoneNumber=" + encodeURIComponent(document.forms[2].telephone.value) + ";secure=true"; document.cookie = "Address=" + encodeURIComponent(document.forms[2].address1.value) + ";secure=true"; document.cookie = "Address=" + encodeURIComponent(document.forms[2].address2.value) + ";secure=true"; document.cookie = "City=" + encodeURIComponent(document.forms[2].city.value) + ";secure=true"; document.cookie = "Province=" + encodeURIComponent(document.forms[2].province.value) + ";secure=true"; document.cookie = "PostalCode=" + encodeURIComponent(document.forms[2].code.value) + ";secure=true"; document.cookie = "AmountDue=" + encodeURIComponent(document.forms[2].totalDue.value) + ";secure=true"; document.cookie = "CardName=" + encodeURIComponent(document.forms[2].cardName.value) + ";secure=true"; document.cookie = "CardNumber=" + encodeURIComponent(document.forms[2].cardNumber.value) + ";secure=true"; if (document.forms[2].correct.checked == true) document.cookie = "T&C Agreed = " + encodeURIComponent(true) + ";secure=true"; top.location.href="thankyou.html"; } and then my thankyou page from where it should be submitted to my email i am using a onload in the body but dont know what the code should look like.: Code: <body class="sale" onload="postCookie(); redirect(); return true"> <tr valign="middle"><td colspan="4" rowspan="10" align="center"><br /><hr /> <strong>Thank you for order! Your order will be processed within the next 48 hours.<br /> Your tracking number and postage details will be sent via email.<br /> You will now be taken back to the Home Page.<br /> Thanks for your support.</strong><br /><hr /><br /> <a href="http://www.sayorkies.co.za/home.html">Click here if your browser does not automatically redirect you.</a> </td></tr> |