Element.getElementsByClassName() IE And Opera Bugs

Aug 20, 2005

I'm trying to implement getElementsByClass() for the document object
and the Element interface, that supposed to work for HTML, XHTML, SVG
and MathML class attributes (including mixed namespace documents) and I
have it working perfectly in Gecko (tested in Firefox 1.0.6 and Deer
Park Alpha 2). I'm just having some serious problems with IE and a bug
in Opera.

The test [1] is supposed to get a NodeList (an Array() with an item()
method added) of elements by class name and then output an alert()
containing the tagNames of the selected elements.

After a fair bit of testing, I believe the problem is occuring with the
way I'm trying to attach the getElementsByClassName() and hasClassName()
functions to elements in IE using an HTC. It seems to be breaking at
the point within document.getElementsByClassName() where I call
element.hasClassName (line 34 of the script [2]) but my understanding of
this workaround using HTCs [3]] that I'm trying to use is very limited
and I don't understand why it's breaking. Code:

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GetElementById Bugs

Nov 21, 2006

getElementById Bugs

There are two getElementById bugs up for discussion:

1. getElementById is case-insensitive but it should be case-sensitive.

2. getElementById searches NAME attributes as well as ID attributes but it should not.

My tests show that IE 6 and down have both bugs, Opera 9.02 has bug #2, Opera 7.54 has neither bug, and FireFox has neither bug.

My proposed solution relies on something I noticed while testing in IE: "document.all" is case-sensitive altho it too searches NAME as well as ID attributes.

I would really appreciate if some different people could help me verify these findings in different browsers and on different platforms.

There has been another proposed solution - but I really don't like removing the ID attribute.

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Finding Bugs In Minimized Code?

Mar 7, 2011

We have a js heavy web-ui. In the production environment it runs minimized, composed from 10 or so js files. When we have a js-error of some sort (we have about 100 users and growing) we write the window.onerror information to a database. Only, it is not very helpful since linenumbers mean nothing in the intelligeble code.

Is there a minifier that tags the result that would allow translation of linenumbers? Is there some other method people use to solve this problem?

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Resize Image Code Some 'Bugs'

Feb 3, 2010

I got this Resize Image BBCode here. It is used for a Forum called Zetaboards, where I can just put it in my Admin Control Panel to make it work for my whole forum.What does the code do?With this BBCode, members are able to insert images to their posts and also are able to resize the images.[code]Can someone please help to make the code work correctly so the images are resized properly on Firefix, IE, and Google Chrome?

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JQuery :: Side-sliding Panel Bugs?

Oct 6, 2011

go to the "Jupiter" graphic on the top left, you'll see that I have a little tab at the bottom of that labeled "Physical". When you click on it, it slides out of the way, exposing a tab labeled "Orbital" and when you click on that one it slides out of the way and exposes a third tab labeled "Atmosphere". These all drive the little spec sheets above- though that's not where the problem lies.The problem is when instead of clicking on the exposed label, you click on the little sliver of the one right behind it, causing the other two tabs to do unintended things. Here's the code:

$(".badgeTab-A").click(function() {
$(this).animate({'left':'+=80px'}, 'fast', 'linear');


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GetElementsByClassName Not Working In IE?

May 20, 2011

i can't seem to get the getElementsByClassName function to work on IE. I don't know why.

There is no error on IE. I've tried with IE Tester and i get this error:

Object doesn't support this property or method

Additional Note: This works on Firefox and Chrome

Code JavaScript:
function getElementsByClassName(className) {// Get a list of all elements in the document
// For IE
if (document.all) {


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Can't Get GetElementsByClassName To Work In A Simple Example?

Apr 17, 2011

I can't get GetElementsByClassName to work.Clicking on the first button moves data to a second function that when clicked moves the data to the input field.This codes works when I change getElementsByName('pics')to getElementById('upload').But I need it to work with getElementsByName().

<!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">

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GetElementsByClassName(tagArray, ClassNameArray)

Jan 18, 2006


var t = new Array('a','span','font');
var tc = new Array('className1','className2')
var arr = getElementsByClassName(t,tc);


function getElementsByClassName(T,TC){
var c=0; var rs = new Array();
var tOBJ = document.getElementsByTagName(T[i]);
if(tOBJ[h].getAttribute('class') == TC[j]){
return rs;

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Changing Style On Class Using GetElementsByClassName?

Apr 24, 2009

This does not work. Not sure what I am missing. Basically I want to toggle the none/block value in the style on the span class below based on the browser detection script.


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Can't Get GetElementsByClassName To Work In Internet Explorer

Oct 6, 2008

I can't get getElementsByClassName to work in Internet Explorer.What I want to do is open external links in a new window without using the target attribute (because the site is XHTML Strict) nor inline Javascript.I've given the external links the class name "external":


<a href="http://webdeveloper.com/" class="external">...</a>

I then wrote the following function, which works in all browsers (Mozilla Firefox, Opera, Google Chrome, Safari) except Internet Explorer:


window.onload = function() {
for (var i=0;i<external.length;i++) external[i].onclick=function() {


How can I get this to work in Internet Explorer too?Or which other function can do what I want in Internet Explorer?

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Error: Document.getElementsByClassName().style Is Undefined

Feb 6, 2010

I have a class 'main_container' In CSS, i have defined width for the class

width: 900px;
When i do:


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GetElementsByClassName Internet Explorer - Doesn't Support

Oct 29, 2010

I want to use getElementsByClassName in Internet explorer, well it doesn't support it.

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GetElementsByClassName - For Multiple Classes (e.g Class="foo Bar")?

Jun 2, 2011

im on a really tight deadline with this and have been strugglign all day. (i know nothing about JS!) here's my code:

<script language="Javascript">
var allHTMLTags = new Array();
function fadeIn(SRC) {
var allHTMLTags=document.getElementsByTagName("*");
for (i=0; i<allHTMLTags.length; i++) {
if (allHTMLTags[i].className.indexOf(",") !== -1)


the end result needs to go through and find all divs with a class CONTAINING the term specified in the <li> then give them an opacity of 1, then on mouseOut return the opacity to 0.5

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JQuery :: Way To Highlight Element Inside Parent Element / When Mouse Hovers Over Child Element?

Oct 4, 2010

i have a menu generated by a list with nested lists. i want the parent link to stay highlighted when the mouse hovers over the sub menus. because those sub menus are also generated by jquery (qtip), CSS alone won't do it (triedul.topnav li:hover a {background-color: #F00;}).is there a way to do this using jquery?

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Problems With Opera

Jul 23, 2005

<script language="JavaScript1.2" style="text/javascript">
function checkLocation() {
if (navigator.userAgent.indexOf("Opera")!=-1) type="OP"
else if (document.all) type="IE" // ie 4 & up
else type="XX"
if (type=="IE")
moveNav.style.pixelTop=document.documentElement.sc rollTop

This is suppose to keep the Nav bar at the top of an IE browser. (Yes, it
wobbles a little bit, but what can I do?)

With most other browsers, the Nav Bar stays nice and stationary at the top,
thanks to a nice CSS solution. However, with Opera (at least Opera 7.54 that
I have) the nav bar wobbles a bit like I would expect it to in IE, but still
it gets hidden under most scrolling situations. What's the cure for Opera?

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Mar 30, 2006

I have strange situation, in my webb apps i use a lot of AJAX.
in my developer computer i use opera and naked apllication (it's using
Python Application Server cherrypy www.cherrypy.org), in production I
covered my application be Apache server which serves static files. The
problem is that AJAX working in Opera but only on production server
(cherrypy behind Apache), on developer machine it's not working. Others
browser (IE, FF working without any problem. Does anyone know
solution for this? Or is is a way to lookup what is happen under Opera
engine? any plugin or something what shows AJAX status call?

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Debugging In Opera

Jun 28, 2006

I really want to make my scripts work in Opera. I really, really do.
But it seems like an uphill struggle. First of all, I can't get ANY
kind of debug output. No error messages in the "javascript console" -
but then, I have never seen ANYTHING in Opera's javascript console. Is
there some kind of voodoo I need to perform in order to make that work?

Then, when Opera doesn't like something about a script (even if it works
fine in Spidermonkey), it will sometimes refuse to load it entirely,
which means I can't even do alert() based debugging. What the hell?

Can anyone give me some insight as to how they go about making their
scripts run properly in Opera? I make a point of sticking to ECMAScript
standards (and then making per-browser exceptions where needed *COUGH
IE*), but Opera just doesn't want to cooperate.

This is in Opera 8, by the way. I haven't upgraded yet, since I don't
use it, and I think more people still use 8 than 9 so that's what I want
to target.

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Opera 9 Problem

Jul 18, 2006

i have such a problem:


this code works only in IE! how can i make something same in Opera 9?

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Opera 7.11 Reloads *.js

Jul 20, 2005

Has any user of Opera 7.11 noticed that it does not reload all files
when the reload button is clicked? I can click on my html file to cause
Opera to load and start and it's OK. But if I then correct an error in
a *.js file and click reload I often get a javascript console with the
same error that I just corrected and line numbers that refer to the old
file. This has got to be something that I am doing wrong, but I can't
see it.

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OnKeyPress In Opera 7.11

Jul 20, 2005

I have included a file below that tests onKeyPress in Opera 7.11. I am
getting peculiar behavior. When the file is first loaded, pressing the
keypad + causes the textarea to get physically larger on the screen, and
pressing the keypad - causes the textarea to get physically smaller. I
click on the scrollbar then this behaviour stops and subsequent
keystrokes are displayed appropriately. Is this some kind of bug in
Opera 7.11? Code:

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SetAttribute() In Opera 7.54 Win

Mar 27, 2005

I'm in the process of migrating a script to use DOM core methods but I've hit a roadblock in the aforementioned browser. The following code snippet illustrates what I'm basically trying to do, it really is incredibly basic!

var newimg = document.createElement('img');
newimg.setAttribute('id', 'placeholder');
newimg.setAttribute('src', 'images/large/courtyard.jpg');

I'm then positioning the element on the page using appendChild(). Everything works perfectly on Firefox 1, IE5+, Opera 8, Konqueror 3.3.1 (Linux) but not in Opera 7.54. I suspect the element is being created as associated styling on #placeholder is being applied (just some padding and borders) but the image itself is not being displayed. I assume therefore that the problems lies with setAttribute()?

This seems like the sort of problem that others would have encountered, but I haven't been able to find mention of it anywhere.

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FF And Opera JS Problem

Nov 6, 2005

I am using this code:

to disable a button after user clicks it (this is to make sure user clicks it only once). It is needed to prevent multiple clicks on a button since each click calls a servlet.

This code works in IE but does not in FF and Opera.

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Js Works Only In Opera?

Jun 24, 2011

I have this code


If you'll use Opera browser, it will display lightbox style animation after clicking on marker on the map. Other browsers are not so kind

Chrome give an error Uncaught TypeError: Object [URL] has no method 'click'

To display animation in bumpbox(lightbox alternative) I use this html code


<div id="neco" style="display: none">
<a href="clouds.swf" class="bump">clouds</a>

and this javascript


google.maps.event.addListener(markerName, 'click', function mojafunkcia() {

I assume that html element cannot access that javascript function because it ist nested within other function (please see source code on turie.eu), but I'm not very skilled with javascript, so I'm not sure.

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Opera And Javascript Errors

Jul 23, 2005

How do you view javascript errors in Opera?

IE pops them in a modal box and NS has the excellent javascript console.
What does Opera have?

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Multiple OnLoad In Opera

Jul 23, 2005

How to get multiple onLoad in Opera (v.7)?
Example shows what I mean - it works well IE and Mozilla, but not in
Opera Code:

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Iframe Resizing On Opera

Jul 23, 2005

the problem is, i have this javascript code in my aspx page that i want
it to work on almost all browsers, especially opera and safari :

function resize(){
displayFrm = document.getElementById("ifrmDisplay");

innerDoc = (displayFrame.contentDocument) ?displayFrm.contentDocument :

objToResize = (displayFrm.style) ? displayFrm.style : displayFrm;

objToResize.height = innerDoc.body.scrollHeight;

the code above gets called every time a new page is loaded inside the
iframe (ifrmDisplay) what its doing is resizing the iframe so it can
have the same size as the page inside it, so i can eliminate the need
for vertical scroller for the iframe, i assumed that it works on opera
and IE at the same time, when i tried it out, it worked on IE but not on
opera. after lot of time in researching how i can get workaround this
issue with opera, that is the best possible solution i have and yet it
doesnt work. so i gave up and asking you if you can help me out here ,
coz this is jst driving me crazy!

the problem is im not a javascript expert, to be honest i jst started
doing javascripts about two days ago, that is why im in need for help

by the way, here is inner html for the iframe if its any use

<iframe id="ifrmDisplay" style="Z-INDEX: 99; LEFT: 187px; WIDTH: 567px;
POSITION: absolute; TOP: 136px; HEIGHT: 408px" src="" scrolling="no"


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