JavaScript - Script Fails On Firefox With This !doctype Declaration
Similar TutorialsHello I am pretty new to AJAX & I am making a simple program to input new text refresh inside the HTML element that has the id='result'. My Problem: - The AJAX script fails when I try to change the text inside 'result' using my code, sometimes a whole new page opens with the text I wanted to put inside the result HTML element. Sometimes I just get a notification that an error occured. - I believe it is because of my function state_changed & using the parameter element_id with the function getElementById(element_id).innerHTML = ...; - It should be easy to see where my problem occurs when you look at my code Any advice on why the script fails & how to fix it would be extremely helpful. Code: var xmlHttp; function ajax_compatible() { // Post: Returns an object if browser is AJAX compatible else false. if (window.XMLHttpRequest) { // users web browser can support AJAX return ( new XMLHttpRequest() ); } else if (window.ActiveXObject) { // users web browser is IE6 and IE5 return ( new ActiveXObject("Microsoft.XMLHTTP") ); } else { alert("Unfortunately your browser does not support AJAX."); return null; } } function get_cookie(cookie_name) { if (document.cookie.length > 0) { c_start = document.cookie.indexOf(cookie_name + "="); if (c_start != -1) { c_start = c_start + cookie_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 "" } function add_comment() { // Post: Add user comment & rating to database and update new table row. // DO WE NEED TO SEND COOKIE ASWELL OR IS IT ALREADY DONE??? xmlHttp = ajax_compatible(); if (xmlHttp == null) { return; } var url = 'http://localhost:8000/cgi-bin/main.py'; alert("add_comment() running"); // Extract CGI variables to pass onto python script var id = document.getElementById('videoID').value; var video_id = 'videoID=' + id; var rating = 'rating=' + document.getElementsByName('rating').value; var comment = 'comment=' + document.getElementById('comment').value; var add_rating = 'addRating=' + document.getElementById('addRating').value; //var cookie = document.cookie; cgi_var = video_id + '&' + rating + '&' + comment + '&' + add_rating; // + '&' + cookie; // open python script xmlHttp.open('POST',url,true); xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); // Error is in below line xmlHttp.onreadystatechange = state_changed(id); // if I use the following line then it works // xmlHttp.onreadystatechange = test; xmlHttp.send(cgi_var); } function state_changed(element_id) { // Post: Use one function that will be used for each page update. // This function sends the text returned by the python server script // onto the browser(HTML element with the id 'element_id') to be displayed. if (xmlHttp.readyState == 4) { document.getElementById(element_id).innerHTML = xmlHttp.responseText; } } function test() { // Post: used to test where the problem occurs // This function works if (xmlHttp.readyState == 4) { document.getElementById('result').innerHTML = xmlHttp.responseText; } } I've been looking all over for an explanation of this function declaration but cant find it. Can someone answer what it means to have a function with no name, just declared as this. When does it execute? How does it get called? !function() { /* all the code in here omitted*/ } (); For reference, here's the function: !function () { var b = document.documentElement, c = "DOMControl_placeholder"; var a = function (d) { var g; var d = d || window.event, e = d.target || d.srcElement, f = e.getAttribute("placeholder"); if (f) { if ("focus" == d.type || "focusin" == d.type) { if (e.value == f) { e.value = ""; CSS.removeClass(e, c); } } else if (e.value == "") { CSS.addClass(e, c); e.value = f; } if (e.value == "" || e.value == f) { g = e.parentNode; CSS.addClass(g, "xyz"); CSS.removeClass(g, "xyz"); } } }; b.onfocusin = b.onfocusout = a; if (b.addEventListener) { b.addEventListener("focus", a, true); b.addEventListener("blur", a, true); } }(); I have the following code which attaches a function to events in x number of comboboxes (x will probably always = 4, but I do not want to hard-code this). I wish to pass the value of i to the function being attached as well as the value of tempData. In other words, I want the parameters in function to be the value, not a reference variable. In the current example, I am using the hard-coded variable ci. This I want to be replaced by a literal created when the event handler is attached (the value of the loop variable i). Also, notice that I get the filter value in the event handler (assigned to the variable ct). I would like to replace this code with the value of tempData which would also be determined when the evenet is attached (it is the same value in this case, but it keeps the onChange event from having to do this each time it runs). Code: var props = { col_0: "select", col_1: "select", col_2: "select", col_3: "select", btn_reset:true, display_all_text: "-Show All-", on_filters_loaded: function(o){ //reset all filters var slcIndexes = o.GetFiltersByType(o.fltTypeSlc, true); //o.fltTypeSlc = 'select' for(var i=0; i<slcIndexes.length; i++){ //this public method returns a filter DOM element by column index var slcElm = o.GetFilterElement(slcIndexes[i]); //tempData = slcElm.options[slcElm.selectedIndex].text; //window.alert(tempData + " " + slcElm); tf_AddEvent(slcElm, 'change', onchangeFn=function(){ //ci is the column index for the column to filter on. ct is the new text from the combobox to filter on var ci; ci = 2; var ct = tf_outputTable.GetFilterValue(ci); tf_outputTable.ClearFilters(); //window.alert("ci= " + ci + " ct= " + ct); tf_outputTable.SetFilterValue(ci, ct); tf_outputTable.Filter(); }); //end tf_AddEvent } } } setFilterGrid("outputTable",props); I've been going through this great tutorial on how to implement a type-ahead feature on a text field and there's something which hopefully you guys can explain. On the third page there is this function. Code: AutoSuggestControl.prototype.init = function () { var oThis = this; this.textbox.onkeyup = function (oEvent) { if (!oEvent) { oEvent = window.event; } oThis.handleKeyUp(oEvent); }; }; What I don't understand is this line: this.textbox.onkeyup = function (oEvent) { I know about anonymous functions, but I don't know where the value for the parameter oEvent is going to come from. Can someone explain this? Thanks! :) I've just discovered (through trial and error) that if a variable is assigned a value without first being declared, it automatically has global scope, even if it is assigned inside a function. This is a pain in the butt because if you forget the var keyword, then suddenly ... whoops! You've got yourself a global variable! Is there any way that I can make javascript throw an exception if I fail to declare a variable before assigning a value to it? It would make things much easier, rather than having to hunt through increasingly complex functions to find that pesky unintentionally global variable. Hi there Im having an issue with some javascript that works fine in IE, but in FF is not working properly. The script is used to display a list of check boxes, the user can expand, which can checked to enabke a users selection of products. This is the script: Code: <script type="text/javascript"> var xcNode = []; // m = Parent UL ID // c = function xcSet(m, c, q, isCompletedLength) { if (document.getElementById && document.createElement) { var xs = m; m = document.getElementById(m).getElementsByTagName('ul'); var d, p, x, h, i, j; for (i = 0; i < q; i++) { var xp = document.getElementById("_" + xs + i); if (d = xp.getAttribute('id')) { if (navigator.userAgent.indexOf("Firefox") != -1) { var lstr = TrimTags((document.getElementById(xs).innerHTML)); xcCtrl(d, c, 'x', '[+] Click for more info', 'Show', 'Click to expand', lstr.length, isCompletedLength); x = xcCtrl(d, c, 'c', '[-] Click to Hide', 'Hide', 'Click to collapse', lstr.length, isCompletedLength); } else { xcCtrl(d, c, 'x', '[+] Click for more info', 'Show', 'Click to expand', (document.getElementById(xs).innerText).length, isCompletedLength); x = xcCtrl(d, c, 'c', '[-] Click to Hide', 'Hide', 'Click to collapse', (document.getElementById(xs).innerText).length, isCompletedLength); } p = xp.parentNode; if (h = !p.className) { j = 2; while ((h = !(d == arguments[j])) && (j++ < arguments.length)); if (h) { if (xp.name == parseURL()) { xp.style.display = 'block'; x = xcNode[d + 'c']; } else { xp.style.display = 'none'; x = xcNode[d + 'x']; } } } p.className = c; var expand = document.getElementById("expandBtn_" + xs + "0"); expand.insertBefore(x, expand.firstChild); } } } } works fine in IE, but not in Firefox where the expanded list is not showing the current number of items (checkboxes), it shows 34 check boxes in IE but only 17 in firefox. Thanks in advance Hi, I've been trying to solve this problem for the past few hours and I'm at my wit's end. I have a script that runs through all the div elements on the page, and then if the div's background is a certain color, it increments a counter by 0.5 and then outputs the result into a separate div tag. This works flawlessly in IE, however I cannot get it to work in Firefox. The strange thing is, if I omit the loop and just use the colorToHex on one specific element in the divs array (ie. divs[2]) it works in Firefox. Any suggestions are greatly appreciated. Code: function hrsavailable() { var divs = document.getElementsByTagName("div"); var srdjanhrs = -0.5; for (var i=0;i<divs.length;i++){ if (colorToHex(divs[i].style.backgroundColor) == "#ffbb6e") {; srdjanhrs = srdjanhrs + 0.5; } } document.getElementById("srdjanhrs").firstChild.data = srdjanhrs; } function colorToHex(color) { if (color.substr(0, 1) === '#') { return color; } var digits = /(.*?)rgb\((\d+), (\d+), (\d+)\)/.exec(color); var red = parseInt(digits[2]); var green = parseInt(digits[3]); var blue = parseInt(digits[4]); var rgb = blue | (green << 8) | (red << 16); return digits[1] + '#' + rgb.toString(16); } Helo, I'm really hoping one of you JavaScript gurus can help me. I find this a bit difficult, but I'm sure you will find it easy. I wrote a script to detect the version of Windows that a visitor is using. It then loads a remote script based on the OS. You can see it in action by visiting my website http://www.xp-smoker.com and clicking on any link that takes you to another page. This script shows you an offer based on whether you are using XP, Vista or Windows 7. It works great in IE 8. No errors. It does not work at all in Firefox. But once again absolutely no errors. I'm using "onload" in the body tag of my pages like this: Code: <body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" onload="loadjs();"> The function is contained in a file that is called locally. Here is the function: Code: function loadjs() { //Create a 'script' element var scrptE = document.createElement("script"); //Set 'type' and 'language' attribs scrptE.setAttribute("type", "text/javascript"); scrptE.setAttribute("language", "JavaScript"); if (navigator.appVersion.indexOf("Windows NT 5.1")!=-1){ scrptE.setAttribute("src", "http://www.trialpay.com/js/pop_under/?c=62020ec"); }else if (navigator.appVersion.indexOf("Windows NT 6.0")!=-1){ scrptE.setAttribute("src", "http://www.trialpay.com/js/pop_under/?c=7ace1f3"); }else if (navigator.appVersion.indexOf("Windows NT 6.1")!=-1){ scrptE.setAttribute("src", "http://www.trialpay.com/js/pop_under/?c=85cfeba"); } // create an object of the head element of current page var hdEl = document.getElementsByTagName("head")[0]; //check for previously appended child //(it ensures that each time the button is pressed it // removes the previously loaded script element) if (hdEl.childNodes.length > 1) { hdEl.removeChild(hdEl.lastChild); } // Now add this new element to the head tag hdEl.appendChild(scrptE); } I don't know if it is the function causing it or if the onload event in the body tag is the problem. I tried removing the onload event from the body tag and using this after the body tag: Code: <script>if(document.all)window.attachEvent("onload",loadjs());else window.addEventListener("load",loadjs(),false);</script> But that didn't work in Firefox either. That gave me an error. Your help would be greatly appreciated. I hope I provided you with enough info. confused:hope its the right place to post a newbie here . but i have a problem with a firefox accepting a script that i wrote it works on exploer but not on firefox onclick="javascript:if (this.parentNode.parentNode.nextSibling.style.display !='block') this.parentNode.parentNode.nextSibling.style.display ='block'; else this.parentNode.parentNode.nextSibling.style.display ='none';" hope u can help me thx Nice for a change: a piece of code that does work in all versions of IE, but not in Firefox. I'm stuck. Code: <img alt="Loodgieters" title="Loodgieters" src="/core/loodgieters_uit.png" name="loodgieters" border="0" style="margin-right:1px; margin-top:1px; float:left; cursor:pointer;" onclick="document.location='/pages/loodgieters.php';" onmouseover="foto1.style.backgroundColor='#392d63'; loodgieters.src='/core/loodgieters_aan.png'" onmouseout ="foto1.style.backgroundColor='#008ac9'; loodgieters.src='/core/loodgieters_uit.png'" /> Explanation: element "loodgieters" is a menu button that should change on mouseover. It doesn't in FF, it does in IE. Secondly, when you "mousover" the image, it should change the backgroundcolor of a second element (foto1). Element 'foto1' is a table cell. In return, when you mouse-over this table cell, the image element 'loodgieters' should change as well. So it's a two-way thing. The code for the table cell is: Code: <td height="189" id="foto1" bgcolor="#008ac9" valign="top" onmouseover="style.backgroundColor='#392d63'; loodgieters.src='/core/loodgieters_aan.png';" onmouseout="style.backgroundColor='#008ac9'; loodgieters.src='/core/loodgieters_uit.png';" style="cursor:pointer;" onclick="document.location='/pages/loodgieters.php';"> <img alt="Loodgieters" title="Loodgieters" src="/core/loodgieters.png" style="border:0; margin-left:auto; margin-right:auto; margin-top:10px; display: block;" /></td> Again: it all works as I expected in IE, Safari and Chrome, but it does not in Firefox. The whole page validates as XHTML 1.0 Transitional What am I overlooking here? I'm stuck. Any help is welcome Hey, I'm trying to write a script that makes it so that when using a screen width of 1280 or lower, Google shows one ad at the top of the page. With screen widths over 1280, it shows 2 ads along the side of the screen. I've checked it several times and I don't know what I've done wrong (but I'm also a beginner). The script works flawlessly in all versions of Firefox for both high and low res (I checked with FF 2.0, 3.0, 3.5, and 3.6) but in IE6 and IE8 while displaying almost correctly at the high resolution, it gets completely screwed up at the low resolution. Basically I'm just using Javascript to insert HTML comment tags around the ads that I don't want to appear for that resolution. Apparently it doesn't work in Opera, Chrome, or Safari either and the code doesn't validate as XHTML so there is definitely something wrong. Code: <!-- Test run of Google AdSense --> <!-- One ad floats left, one floats right, the rest of the body is center aligned in between (high res only) --> <!-- There are 3 ads, scripting makes it so that 2 appear on the sides with a screen width above 1280 pixels, and below 1280 pixels just one appears across the top --> <script type="text/javascript"> <!-- var skip1 = "<!--"; if ( screen.width <= 1280 ) { document.write (skip1); } //--> </script> <div style=" float:left; font-size:7pt; color:#777; "> Advertisement<br /> <script type="text/javascript"><!-- google_ad_client = "pub-9736870014804453"; /* 160x600, created 2/2/11, left side homepage */ google_ad_slot = "6021069285"; google_ad_width = 160; google_ad_height = 600; //--> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </div> <div style=" float:right; font-size:7pt; color:#777; "> Advertisement<br /> <script type="text/javascript"><!-- google_ad_client = "pub-9736870014804453"; /* 160x600, created 2/2/11, homepage */ google_ad_slot = "3502793671"; google_ad_width = 160; google_ad_height = 600; //--> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </div> <script type="text/javascript"> <!-- var skip2 = "-->"; if ( screen.width <= 1280 ) { document.write (skip2); } //--> </script> <script type="text/javascript"> <!-- var skip3 = "<!--"; if ( screen.width > 1280 ) { document.write (skip3); } //--> </script> <div style="font-size:7pt; color:#777;"> <center> Advertisement<br /><br /> <script type="text/javascript"><!-- google_ad_client = "pub-9736870014804453"; /* low res top ad */ google_ad_slot = "4610054252"; google_ad_width = 728; google_ad_height = 90; //--> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </center> </div> <script type="text/javascript"> <!-- var skip4 = "-->"; if ( screen.width > 1280 ) { document.write (skip4); } //--> </script> <!-- End of Adsense side banners --> Please help. This works fine in IE but will not work in FireFox: <iframe name="ad" id="rotator" src="about:blank" scrolling="no" framespacing="0" frameborder="0" marginwidth="0" marginheight="0" border="0" style="width:450px; height:300px"></iframe> <script language="JavaScript" type="text/javascript"><!-- // Pages to rotate var pages=new Array('http://www.newquaynet.com/rotating_pages/page1.htm', 'http://www.newquaynet.com/rotating_pages/page2.htm', 'http://www.newquaynet.com/rotating_pages/page3.htm'); // Rotation interval, in miliseconds (1000 = 1 second) var rint=15000; var currentpage=-1; function rotator(){ currentpage++; if(currentpage >= pages.length){ currentpage=0; } document.all.rotate.src=pages[currentpage]; setTimeout('rotator()', rint); } rotator(); //--></script> I'm a real novice and out of my depth with this, i hope someone can help. I have a small script that searches a single page for a keyword, it works fine with IE, but will not work with Firefox. Below is the code thats checks which browser is running and the action to take. Code: var NS4 = (document.layers); var IE4 = (document.all); var win = window; var n = 0; function findInPage(str) { var txt, i, found; if (str == "") return false; if (NS4) { if (!win.find(str)) while(win.find(str, false, true)) n++; else n++; if (n == 0) alert("Not found."); } if (IE4) { txt = win.document.body.createTextRange(); for (i = 0; i <= n && (found = txt.findText(str)) != false; i++) { txt.moveStart("character", 1); txt.moveEnd("textedit"); } Can anyone help me out with this problem. Many thanks Jasper I have a script where the user selects an item on the main nav and it will display the sub-nav below. It works fine in every browser except Firefox. ANy ideas? http://tinyurl.com/79wlwq3 EDIT: It's just that script that won't work, btw. I tested an alert box for Firefox and it works fine. Right now, it only works with IE. This goes in the header... Quote: <script language="JavaScript1.2"> function makevisible(cur,which){ strength=(which==0)? 1 : 0.2 if (cur.style.MozOpacity) cur.style.MozOpacity=strength else if (cur.filters) cur.filters.alpha.opacity=strength*100 } </script> and this goes in the image: Quote: <img style="filter:alpha(opacity=20);-moz-opacity:0.2" onMouseover="makevisible(this,0)" onMouseout="makevisible(this,1)" src="SOURCE OF IMAGE"> It works great in IE, but not firefox or chrome. Any way I can alter this to get it to work in all 3 or at least Firefox and IE. Thanks for the help! Since I like to minimize on graphics to keep bandwidth low, I have been using a script to simulate buttons. When you mouseover, you get some color changes which revert back when you move the mouse off. Simple, right? The problem is that firefox totally ignores the script. Even worse, safari changes on mouseover, but doesn't revert on mouseout. I have this in the heading: Code: <script LANGUAGE="JavaScript"> function ColorBlock(oRegion,sLinkID) { if (document.readyState != "complete") return; window.event.cancelBubble = true; oRegion.className = "MenuSelected"; oRegion.style.cursor="hand"; sLinkID.style.color = "black"; } function UncolorBlock(oRegion,sLinkID) { if (document.readyState != "complete") return; window.event.cancelBubble = true; var oToEl = window.event.toElement; if ((oToEl && !oRegion.contains(oToEl))||!oToEl) { sLinkID.style.color = "white"; oRegion.className = "MenuUnSelected"; } } </script> And this is in the body. Code: <table class=MenuTable> <tr><td OnMouseover="ColorBlock(this, Link4);" OnMouseout="UncolorBlock(this, Link4);" CLASS="MenuUnSelected" nowrap> <a STYLE="color:white" ID="Link4" OnMouseover="this.style.textDecorationNone=true;" href="javascript:createWindow('edu.htm','edu','toolbar=1,location=1,directories=1,status=1,menubar=1,scrollbars=1,resizable=1,width=825,height=725')"> <div style="width:144; cursor=hand; font-weight:bold;"> Education </a></div></td> </tr> </table> I have a bunch of these "buttons" ... firefox ignoring the code is annoying but safari only using half the code makes it look really bad. Anyone have any ideas? I've done a lot of work over time on the site, there are just a few bugs that have been avoiding me and I am trying to hunt them all down and kill them. The page is at www.adam-k-watts.com Hi all, firstly i'm not a coder but i am capable of doing as instructed. I have some script that when used in conjunction with a button highlights all the text between 2 tags to make it easier for copying, it works great in IE but doesn't work in firefox, could someone help please? Here's the script and the button is below. Code: <script type="text/javascript"> function selectCode(a) { // Get ID of code block var e = a.parentNode.parentNode.getElementsByTagName('CODE')[0]; // Not IE if (window.getSelection) { var s = window.getSelection(); // Safari if (s.setBaseAndExtent) { s.setBaseAndExtent(e, 0, e, e.innerText.length - 1); } // Firefox and Opera else { var r = document.createRange(); r.selectNodeContents(e); s.removeAllRanges(); s.addRange(r); } } // Some older browsers else if (document.getSelection) { var s = document.getSelection(); var r = document.createRange(); r.selectNodeContents(e); s.removeAllRanges(); s.addRange(r); } // IE else if (document.selection) { var r = document.body.createTextRange(); r.moveToElementText(e); r.select(); } } </script> Html button Code: <input type="button" value="Highlight Code" onclick="selectCode(this); return false;"> Hi Coders, I have a Javascript on my credit card page which populates the elements of a dropdown field (The Year field). It just works with Internet Explorer and not Firefox. Here is the script: <script type="text/javascript"> <% Dim orderDateYearx orderDateYearx = cStr(Year(Date)) %> yy="<%=orderDateYearx%>"; yyyy=parseInt(yy); yyyy=yyyy var listDocUpload = document.getElementById("expDate2"); var optn = document.createElement("OPTION"); optn.value = yyyy; yyyy=yyyy+"" optn.text = yyyy.replace("20",""); listDocUpload.options.add(optn); yyyy=parseInt(yyyy)+1 var optn2 = document.createElement("OPTION"); optn2.value = yyyy; yyyy=yyyy+"" optn2.text = yyyy.replace("20",""); listDocUpload.options.add(optn2); yyyy=parseInt(yyyy)+1 var optn3 = document.createElement("OPTION"); optn3.value = yyyy; yyyy=yyyy+"" optn3.text = yyyy.replace("20",""); listDocUpload.options.add(optn3); </script> The dropdown field in Firefox is just blank. I mean no elements reside within it. (but its clickable) Any ideas why this dropdown field in Firefox is not going to be populated? Thank you for all the comments. Hopefully this is a noob and simple question to answer, but I used this random ads script and modified it to show random boxarts for PS3 games.. http://javascript.internet.com/misce...andom-ads.html You can see what I'm trying to do he http://empireelite.org/index2.htm - (temporary page just for testing the code, refresh and see that the PS3 boxarts become randomized) Everything looks perfect in Internet Explorer, but in Firefox it looks to have about 15px in spacing on both top and bottom. I know the table itself is fine, because everything fits fine on the real main page http://www.empireelite.org/ The pictures are also not overlapping the cell. It's 9 pics x 22 width, (198px in a 200px wide cell) and it has the same spacing even if I just have 1 pic there using the script. Is there a code I can add or remove to get rid of the spacing in Firefox? I already removed , spacing from this line: function randomorder(targetarray, spacing) { and removed +spacing from this line: document.write(targetarray[the_one]+spacing) Neither did anything and the script works the same way without those small pieces of code (I'm not sure what either of them did to begin with). Here is the javascript page I'm using: http://empireelite.org/randomAds.js And also View Source in this test page: http://empireelite.org/index2.htm |