Can't select HTML5 element's children in IE8 with jQuery selector
I found some posts with similar issues, but this is something different. I upgraded from jQuery 1.4 to 1.4.2 after I read another post, but the problem still presents itself. I also tried running IE 8 in compatibility mode and nothing seemed to work. Of course, it works perfectly well in Chrome.
Here's the markup:
<section class="pleaseWaitButton">
<p><img src="images/please_wait.png" alt="Please wait" /&开发者_运维知识库gt;</p>
<p><input type="image" src="images/add_to_cart.png" alt="Add to cart"/></p>
</section>
Here's the only jQuery selector that does work in this scenario...
$('.pleaseWaitButton').length // 1
And here's the jQuery selectors that will not work!
$('.pleaseWaitButton').find('input').length // 0
$('.pleaseWaitButton input').length // 0
$('.pleaseWaitButton > p > input').length // 0
Any ideas? Anyone...?
Internet Explorer 8 has quirky support for HTML 5, IE6 and IE7 plain just don't support it.
You need to shiv the HTML 5 elements in order to style and properly use methods/properties such as innerHTML, getElementsByTagName on them.
This will work in IE6-IE8:
<!doctype html>
<html>
<!--[if lt IE 9]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<section class="pleaseWaitButton">
<p><img src="images/please_wait.png" alt="Please wait" /></p>
<p><input type="image" src="images/add_to_cart.png" alt="Add to cart"/></p>
</section>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.js"></script>
<script>
alert( $('.pleaseWaitButton').find('input').length )
alert( $('.pleaseWaitButton input').length )
alert( $('.pleaseWaitButton > p > input').length )
</script>
</html>
Live Demo: http://medero.org/html5.html
<section> is an HTML5 element not supported in IE8, you'll have issues using it as an element, including finding children beneath it. It isn't a jQuery problem, it's a basic DOM problem, here's a demonstration:
All I'm doing is giving the element an ID to simplify things:
<section class="pleaseWaitButton" id="btn">
Then try and get it's children:
document.getElementById('btn').children.length
This gets you a 2 in HTML5 browsers, an 0 in IE.
加载中,请稍侯......
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