JQuery :: Simple Fading DIV Test Not Working - Anchor Tag Null?

Sep 8, 2009

I'm doing some simple tests and I can't get this to work on a wordpress site. Basically I'm trying to fadeOut a div with id of "box" when a link is clicked. I mentioned Wordpress because the head code is loaded dynamically into the page template, as well as the body content. I wasn't sure I this made a difference in diagnosing the problem. When I load the page, Firebug keeps giving an error...
$('a') is null

Here is my stripped html code...
<head>
<script src="[URL]"
type="text/javascript"></script>
<style type="text/css">
#box {background-color: red; width: 300px; height: 300px;}
</style>
<script type="text/javascript">
$(function() {
$('a').click(function() {
$('#box').fadeOut();
});
});
</script>
</head>
<body>
<div id="box">
</div>
<a href="#">Fade Out</a>
</body>

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Mar 3, 2010

've got a fairly simple slideshow object which takes an array of images and rotates through them, with a fade between each picture. But it seems to use a fair amount of cpu, especially on IE, a little less so on firefox. Any ideas on how to optimise this? I'm concerned that the way the object refers to itself may not be the most efficient.

Code:
function picSlideShow(elementID, picArray)
{
var self=this;
this.id = elementID;
this.picArray = picArray;

[Code]...

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You cannot even test it for null like this: if (_allnames[_j].attributes.getNamedItem("onchange").value != null) { do something } This will also generate an Error instead of testing to see if it is null.

How do you test getNamedItem for null to avoid this error?

EDIT: It appears that the problem is limited to Firefox. It works fine in IE7, but the error occurs in both FF v3.5.4 and in v3.5.5!

In my example below, there are no elements that match, so you should see an alert box that says 'No match', but (using Firebug) you will see that an error is generated when it tries to find the value of onchange in the last input tag.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<head>
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is there a function that get the name of the first input field of the
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in my example below I want create an array of form field name and in the
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some elements in my array, that must be required, are null:

something like function verify(array of string)and in onsubmit something
like return onsubmit(field1,field2,field3....) Code:

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Jan 11, 2011

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Oct 11, 2011

I have written the below script to swap images in a main viewer for a gallery on a website (I apologise if the script is not very elegant I have only just started learning JS).The idea is there are 2 divs one positioned on top of the other, when the user clicks on one of the thumbnail images the div on the bottom changes to the new image, then the top div fades to transparent to reveal the new image, then once the top div is completely transparent it's image is swapped for the new image and it is made opaque again.Anyway elegant or not the script works fine in Firefox, Safari, Camino and (shockingly) IE, but it doesn't work at all in Chrome.

Code:
var fadeTime = 800;
var newImage;
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Jan 14, 2010

So I am creating a page with unordered lists housing a large range of numbers. I want to dynamically create anchor tags and write them in before each UL. In FireFox it works just fine, however; in IE7 the anchor tags won't work.

Here's my code:
$(document).ready(function(){
$("ul").each(function() {
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var $first = $li.filter(":first").text()
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Aug 19, 2010

I used the following jQuery in my application

Code:
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Now my requirement is... I have to set this to a button but through javascript.. so... in javascript i used this as

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Jul 16, 2009

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HTML
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jQuery Event
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Here is the show/hide code:
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I started with the simplest step - the hide() function:

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I then tried theevent.preventDefault(); method and that worked.

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Heres the code for sub-account-ajax.php:
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Here is the simplified code.

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