JavaScript - Help With Js Function In A Onmousedown?
I have some code which looks like this.
Code: <script type="text/javascript"> function links(){ var links=document.getElementsByTagName("A"); for(var i=0;i<links.length;i++){ links[i].onmousedown=function(i){ return Showalert(links[i]); }; } } function Showalert(link){ alert("link: "+link); } </script> What I want to know is how I can pass the number which 'i' is of the current link being clicked so like this - links hi // i = 0 hello // i = 1 dude // i = 2 so from the for loop I want the i to be passed into the function which "links[i].onmousedown" is outputting so when the user clicks any link on the page the function within the mousedown call can read the number of the link? can anyone help? EDIT: Don't worry I've done it. Similar TutorialsWhen a user pushes their mouse down on a DOM element I want to allow them to move it, so I would like to setup an on mouse move function. The code i have is: Code: var newHeader = document.createElement("div"); newHeader.id = "header" + tabID; newHeader.className = "windowHeader"; newHeader.onmousedown = 'desktop.onmousemove = moveWindow('+tabID+');'; newHeader.onmouseup = 'desktop.onmousemove = null;'; newWindow.appendChild(newHeader); However it doesn't work hence why I'm here... Any help appreciated! on my page: http://www.jbiddulph.com/john-drag.html I want to be able to show the TOP and LEFT position on the textboxes below when I move the box?! Please help?! thanks J I have 9 boxes which I can drag around an invisible grid however when the onMouseDown function is called for the first time on each of the boxes, they behave erratically, then once all boxes have been clicked once, the entire script works as it should. I've tried using default values when declaring the variables however it doesn't seem to do anything. Does this happen with anyone else, anything obvious I'm missing. Code: <html> <head> <script language="javascript"> var x; var y; var org_top; var org_left; var diff_org_top; var diff_org_left; var element; var element2; var being_dragged = false; var newleft; var newtop; function mouse_move(event) { if(event.offsetX || event.offsetY) { x=event.offsetX; y=event.offsetY; } else { x=event.pageX; y=event.pageY; } if(being_dragged = true) { document.getElementById(element).style.top = y-diff_org_top +'px'; document.getElementById(element).style.left = x-diff_org_left +'px'; } } function mouse_down(ele_name) { being_dragged = true; element = document.elementFromPoint(x, y).id; org_top = document.getElementById(element).style.top; org_left = document.getElementById(element).style.left; diff_org_top = y-org_top.substring(org_top.length-2,org_top); diff_org_left = x-org_left.substring(org_left.length-2,org_left); } function mouse_up() { being_dragged = false; newtop = Math.floor((y-diff_org_top+100)/200) * 200; newleft = Math.floor((x-diff_org_left+100)/200) * 200; if (newtop<0) { newtop = 0; } else if (newtop>400) { newtop = 400; } if (newleft<0) { newleft = 0; } else if (newleft>400) { newleft = 400; } document.getElementById(element).style.display = 'none'; if (document.elementFromPoint(newleft+100, newtop+100).id != '') { element2 = document.elementFromPoint(newleft+100, newtop+100).id; document.getElementById(element2).style.top = org_top; document.getElementById(element2).style.left = org_left; element2 = null } document.getElementById(element).style.display = 'block'; document.getElementById(element).style.top = newtop +'px'; document.getElementById(element).style.left = newleft +'px'; element = null; } </script> <style type="text/css"> .box { float:left; display:block; width:190; height:190; margin:5; position:absolute; } .red { background:red; top:0; left:0; } .blue { background:blue; top:0; left:201; } .yellow { background:yellow; top:0; left:401; } .green { background:green; top:201; left:0; } .violet { background:violet; top:201; left:201; } .orange { background:orange; top:201; left:401; } .maroon { background:maroon; top:401; left:0; } .lime { background:lime; top:401; left:201; } .indigo { background:indigo; top:401; left:401; } </style> </head> <body onMouseMove="mouse_move(event)"> <div id="one" class="red box" onMouseDown="mouse_down('one')" onMouseUp="mouse_up()"> </div> <div id="two" class="blue box" onMouseDown="mouse_down('two')" onMouseUp="mouse_up()"> </div> <div id="three" class="yellow box" onMouseDown="mouse_down('three')" onMouseUp="mouse_up()"> </div> <div id="four" class="green box" onMouseDown="mouse_down('four')" onMouseUp="mouse_up()"> </div> <div id="five" class="orange box" onMouseDown="mouse_down('five')" onMouseUp="mouse_up()"> </div> <div id="six" class="violet box" onMouseDown="mouse_down('six')" onMouseUp="mouse_up()"> </div> <div id="seven" class="maroon box" onMouseDown="mouse_down('seven')" onMouseUp="mouse_up()"> </div> <div id="eight" class="lime box" onMouseDown="mouse_down('eight')" onMouseUp="mouse_up()"> </div> <div id="nine" class="indigo box" onMouseDown="mouse_down('nine')" onMouseUp="mouse_up()"> </div> </body> </html> Hello, If you will open: joketube.tv (please use admin as username and admin as password) and have a look on the top menu you will find UPLOAD link. Please click on it and you will see 'popup window'. Everything is ok with except that all parts of the window is dragable... I was expecting following. After placing some container DIV element (none transparent) with higher z-index over dragable background DIV. This region (with higher z-index) would become NONE dragable! BUT what I got is that even if DIV is hidden behinde other DIV elements, onmousedown is still working for that hidden DIV. Why this happened and how can I solve this problem? Thank you in advance for any suggestion I have created a drag script and am having a problem with the cursor. When I hover over the div, the cursor becomes "move" as I want it to be. But if I click, then drag it changes to the I-beam cursor. I am wondering what I can do to get it to stay "move" or whatever I'd like it to be. I know things like onselectstart, etc, but that doesn't seem to do anything. Thanks for your time.
Hi, I am facing a problem in passing replace() function as an argument in user defined java function, can any one help me how to resolve it? intention is to pass a file path to my user defined function, but before passing the path i want to replace the character '\' to '\\' I am posting my javascript function he <a href="#" onclick="OpenDocPreview('<%# Eval("PATH")%>'.replace(/\\/g,"\\\\"), '<%# Eval("Filename")%>')"><%# Eval("DocTitle") %></a> function OpenDocPreview(url, docname) { alert('message from search base : ' + url + ' ' + docname); } thank you, I was working on a tutorial for some ajax uploading stuff and I ran across a new function syntax I don't recognize. I am not a Javascript pro, but I am not a newbie either. here is the code I am working on: Code: function handleFileSelect(e){ var files = e.target.files; var output = []; for(var i=0,f;f=files[i];i++){ if(f.type.match('image.*')){ var reader = new FileReader(); reader.onload = (function(theFile){ return function(e){ var span = document.createElement('span'); span.innerHTML = ['<img class="thumb" src="',e.target.result,'" title="',theFile.nbame,'" />'].join(''); document.getElementById('list').insertBefore(span,null); }; })(f); reader.readAsDataURL(f); } } document.getElementById('list').innerHTML = '<ul>'+output.join('')+'</ul>'; } document.getElementById('files').addEventListener('change',handleFileSelect,false); To be a little more clear, the code in question is that is the very middle. The syntax I don't understand is: Code: class.event = (function(arguments){ //stuff you put in a function... })(more Arguments?); I tried to customize a simple one to learn for myself and I wrote this: Code: var a = 'A'; var b = 'B'; test = (function(t){ alert(t); alert(b); })(b); test(a); The browser would alert 'B' and that's it. The console would tell me that 'test is not a function.' OK, so I am confused. The topmost code works. What I am wondering is what the syntax is called for creating a function (or event listener?) that way, and how it works. Although if I new what it was called I could just google how it works. Hi! I'm trying to toggle a class and one works and the other does not and I don't know why. I'm just getting my feet wet with jquery and javascript and I figured this was a pretty easy task to take on! Maybe. Link to the page: Franklin Township Soccer Club - Change Field Status My sad, sorry attempt =| Code: $( "li.open" ).click(function() { $( this ).toggleClass( "closed" ); }); $( "li.closed" ).click(function() { $( this ).toggleClass( "open" ); }); The first function works with open, so I figured I'd just use opposite on closed! Ha! I don't think so! In the end within those function there is an element in a form on that page it's hidden. I'd like to change the value from a 0 to 1 for vice versa. That' will be my next step. If you could give me a little nudge in the right direction I'd appreciate it! But first understanding why one works and the other does not, that is the primary mission! I do appreciate any help given! Dave <p> <script type="text/javascript">// <![CDATA[ var metrics = { "mm" : 1, "cm" : 10, "m" : 1000, "inch" : 25.4, "foot" : 304.8 }; function convert(num, dec){ var val = document.getElementById("fromVal").value; if(isNaN(val)){ return } function roundNumber(num, dec) { var result = Math.round( Math.round( num * Math.pow( 10, dec + 1 ) ) / Math.pow( 10, 1 ) ) / Math.pow(10,dec); return result; } document.getElementById("toVal").value = val * metrics[document.getElementById("fromSystem").value]/ metrics[document.getElementById("toSystem").value]; } var interval = null; function watchChanges(){ interval == null ? setInterval("convert()", 500) : clearInterval(interval); } // ]]></script> </p> <table> <tbody> <tr> <td><input id="fromVal" style="width: 100px;" onfocus="watchChanges()" onblur="watchChanges()" type="text" /><select id="fromSystem" onchange="convert()"> <option value="mm">millimeters</option> <option selected="selected" value="cm">centimeters</option> <option value="m">meters</option> <option value="foot">feet</option> <option value="inch">inches</option> </select></td> </tr> <tr> <td colspan="1" align="center">=</td> </tr> <tr> <td><input id="toVal" style="width: 100px;" type="text" disabled="disabled" /><select id="toSystem" onchange="convert()"> <option value="mm">millimeters</option> <option value="cm">centimeters</option> <option value="m">meters</option> <option selected="selected" value="foot">feet</option> <option value="inch">inches</option> </select></td> i keep getting error Call to undefined function codeandurl() below is my code PHP Code: <?php $value= strip_tags(get_field('link',$post)); $resultid=get_field('resultid',$post); codeandurl($resultid,$value); ?> <div id="result"></div> <script type="text/javascript"> function codeandurl(resultid,url){ $( "#result" ).text(resultid); $( "#result" ).dialog({ modal: true, buttons: { Ok: function() { $( this ).dialog( "close" ); } } }); window.open(url); return false; } </script> I found this script, and it works great: Code: <script type="text/javascript"> function disable(element) { var input = document.getElementById(element).getElementsByTagName("input"); for(var i = 0; i < input.length; i++) { input[i].setAttribute("disabled","true"); } } </script> I tried to make the inverse by simply reversing the setAttribute() like so: Code: <script type="text/javascript"> function enable(element) { var input = document.getElementById(element).getElementsByTagName("input"); for(var i = 0; i < input.length; i++) { input[i].setAttribute("disabled","false"); } } </script> But that didn't do it. Can someone show me why, and how to fix it? Here's the sample form which I'm trying to test it on: Code: <form> <input type="radio" name="test" onclick="disable('D1')" /> disable<br/> <input type="radio" name="test" onclick="enable('D1')" /> enable<br/> <fieldset id="D1"> <input class="" type="text" value="test value1" /><input class="" type="text" value="test value2" /><br/> <input class="" type="text" value="test value3" /><input class="" type="text" value="test value4" /><br/> <input class="" type="text" value="test value5" /><input class="" type="text" value="test value6" /><br/> </fieldset> </form> Edit: The ultimate goal which I'm working toward now (step by step =) is to have a form more like: Code: <form> <input type="radio" name="test" onclick="disable('D1')" /> <fieldset id="D1"> <input class="" type="text" value="test value1" /><input class="" type="text" value="test value2" /> </fieldset> <input type="radio" name="test" onclick="disable('D2')" /> <fieldset id="D2"> <input class="" type="text" value="test value3" /><input class="" type="text" value="test value4" /> </fieldset> <input type="radio" name="test" onclick="disable('D3')" /> <fieldset id="D3"> <input class="" type="text" value="test value5" /><input class="" type="text" value="test value6" /> </fieldset> </form> And have the fieldsets enable and disable according the selection of the radio buttons. Also, the fieldsets (and their ID's) will be dynamically generated via PHP Thanks-a-bunch, ~ Mo Hi All, I'm trying to convert an anonymous function to a real function (nesting is getting out of hand), however the msg object becomes undefined after conversion. Here is the converted anonymous function which fails: https://gist.github.com/2587613 and here is the original anonymous function which works: https://gist.github.com/2587667 Any help would be greatly appriciated I'm trying to "progressively enhance" one of my surveys using javascript. Basically, I have rating scales that make use of radio buttons as each point on the scale. Each radio button occupies its own cell in a table. I wrote some functions that will highlight cells on mouseover in a color corresponding to its position on the scale (e.g. the lowest point is red, the midpoint is yellow, the highest point is green). When a radio button is clicked, the background of the button's cell and preceding cells in the same row will be colored accordingly. The functions are working well in FireFox and Chrome (I just have to add a few lines using the addEvent function to make it compatible with IE). The effect looks a lot nicer when I add a function that makes the visibility of the radio buttons hidden. However, I want to make sure that there is a fallback option in case the functions that color the cells don't work for whatever reason. I would not want the radio buttons hidden in this case. Is there a method whereby I can call the "hideRadiobuttons" function only if the other functions are successfully executed? I made a mouseover event of a caption on a picture, when I hover the opacity of the background color of the hover and the text goes down. What I want is that when I hover over the image which the caption is floating on, the onmouseover event gets activite. For an imaginary example: Code: function unhighlight(x) { x.style.backgroundColor="transparent" } Function ActivationFuction() { activate.function="unhighlight" } thanks How can I call a PHP Function inside a Javascript Function? This is what I have so far, but I don't think I'm doing it the right way. Any suggestions? PHP Code: <?php function phpQuery(){ $query = mysql_query("INSERT INTO mytable VALUES('','name','email')"); } ?> <script type="text/javascript"> function delayQueries() { timeoutID = window.setTimeout(doQueries, 2000); } function doQueries() { var runQuery = "<?php phpQuery(); ?>"; } </script> Hi, Any one help me In one variable i have some data ex: var data = document.getElementById("imageId").value; I want to pass this data to another function inside another function ex: var button1 = '<img src="images/Remove-button.gif" width="70" height="15" onclick="removeVerifyImageRow(this),saveLibData('+data+')"/>'; while running the application i am getting an error incase if the data is string ex:if data is 'image1' i am getting an error, but with number there is no problem ex: if data is '1122'. this is very urgent to solve this problem plz any one help me Thank you in advance if someone can help. I have been banging my head against the wall for hours now. Here is the code: Code: for (var i = 0; i < BS_crm['activityTypes'].length; i++) { var clickFunc = function(){ activityList.showForm( -1, {blockType:[""+BS_crm['activityTypes'][i]['id'], "0"]} ); }; var type = { value: BS_crm['activityTypes'][i]['id'], label: "Add New "+BS_crm['activityTypes'][i]['label'], css: BS_crm['activityTypes'][i]['css']+"_16", onClick: clickFunc }; previewLinks.items.push( type ); } Now, basically what I am doing here is running through one array to create an array of objects, that will be used to create links that will use whatever onClick function I pass it. The problem is that on the second line I need the BS_crm['activityTypes'][i]['id'] to be a value, not a reference. If that line was simply changed to: Code: var clickFunc = function(){ activityList.showForm( -1, {blockType:["3", "0"]} ); }; then everything would work as I need. How can I make this happen? I would really appreciate any help. Thank you again in advance. Code: <html> <head> <title>TESTING</title> <script type="text/javascript"> <!-- document.write("<input type='submit' value='submit' onclick='func()'>"); function func() { document.write("<input type='submit' value='New Button' onclick='func()'>"); window.alert("THIS"); } --> </script> </head> <body> <!--input type="button" value="Read" onclick="ReadFiles()"--> </body> </html> This is a very basic version of what I am trying to do. I have a dynamic list which is set in a table. When clicked, a function is run to set up a new list.. The reason I explain that, is that I need to keep it dynamic. Now for the problem: When I run this page, I have the button made right away, then when clicked it creates the new button. The new button should also run the function to create the new button again, but when I click it, I only receive "error on page". I don't know if there is a better way to go about this, but as for this route, I am stuck. Any help is greatly appreciated! -Shane Hi everyone, I am pretty new at javascript OOP. I have a javascript file that has plenty of javascript functions, variables, arrays, etc. I need to convert this into an object. Here is an example: Code: var myvar1 = ''; var myvar2 = new array(); var myvar3 = new array(); var myvar4; var myvar5 = 60; var myvar6 = ''; function myfunc1(){ myvar1 = 'hello'; return myvar1; } function myfunc2(somenum=0){ myvar5 = somenum; //calling myfunc1() from within this function. //do something in here } function myfunc3(){ //calling myfunc1() from within this function. for(i=0;i<somelength;i++){ myvar2 = myvar3[i]; (something to put into the array) } } 1. I need to create an object and put ALL the varibles (myvar1 - myvar5) in that object. 2. Then the first two functions "myfunc1 and myfunc2" inside the same object. 2. And the function myfunc3 needs to sit OUTSIDE my object as a regular javascript function. It calls on myfunc1 (which is inside the object) and also inserts data into myvar2 (which is classified inside the object) and myvar3 (which is classified inside the object as well). This is what i came up with, but it's not going well: Code: var myobj1 = function(){ this.myvar1 = ''; this.myvar2 = new array(); this.myvar3 = new array(); this.myvar4; this.myvar5 = 60; this.myvar6 = ''; var myfunc1 = function(){ this.myvar1 = 'hello'; return this.myvar1; } var myfunc2 = function(somenum=0;){ this.myvar5 = somenum; //calling this.myfunc1() from within this function. //do something in here } } function myfunc3(){ //calling mynewobj.myfunc1() from within this function. for(i=0;i<somelength;i++){ mynewobj.myvar2 = mynewobj.myvar3[i]; (something to put into the array) } } var mynewobj = myobj1; HELP.....!!!! i really want to get into object oriented world, so thanks in advance. (PS: I had no idea what to call this thread so, hopefully it's okay) I'm trying to make a time script for an app I'm making (this is not an HTML document; it's a .js file to be used with Titanium) however I'm having trouble getting the function to display and update. Code: function updateClock() { setInterval ( 'kiTime()', 1000 ); } function kiTime () { //Get current date and time var currentTime = new Date (); //Create variables for hours, minutes, and seconds from current time var currentHours = currentTime.getHours (); var currentMinutes = currentTime.getMinutes (); var currentSeconds = currentTime.getSeconds (); //Add a leading zero to minutes and seconds if less than ten currentMinutes = ( currentMinutes < 10 ? "0" : "" ) + currentMinutes; currentSeconds = ( currentSeconds < 10 ? "0" : "" ) + currentSeconds; //Create the string of time data currentTimeString = currentHours + ":" + currentMinutes + ":" + currentSeconds; return currentTimeString; } var win3 = Titanium.UI.createWindow({ title:'Clock', backgroundColor:'#fff' }); var tab3 = Titanium.UI.createTab({ icon:'clock.png', title:'Clock', window:win3 }); var label3 = Titanium.UI.createLabel({ color:'#999', text:updateClock(), font:{fontSize:20,fontFamily:'Helvetica Neue'}, textAlign:'center', width:'auto' }); win3.add(label3); If I use kiTime() under the text field I will get the current time (or at least the time the app was opened), however if I call updateClock() it's blank. |