IE=EmulateIE8 does not recognize application/javascript

I wonder why internet explorer does not recognize meta head for javascript set to application/javascript?

<meta http-equiv="x-ua-compatible" content="IE=EmulateIE8"/>
<script type="application/javascript" src="..."/>

doesn't work, but when i change it to

<meta http-equiv="x-ua-compatible" content="IE8"/>
<scri开发者_运维技巧pt type="application/javascript" src="..."/>

it works..

i'd like to use default javascript type that is "application/javascript"

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[Since you're specifying IE8-compatibility, I presume you're using IE9?]

The problem is your script tag.

<script> cannot be self-closing, so you can't say this as you have:

<script src='...' />

You have to do

<script src='...'></script>

I can't say why your meta tag is affecting it like that, though. Possibly the IE8 rendering engine is more fussy about this point than the IE9 engine.

I would also say that the first version of your meta tag is correct, while the second one isn't, so the second one won't be triggering the browser mode.

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IE9 in compatibility mode and IE8 don't accept application/javascript. They do fine with text/javascript though so you can just use that. Or you can just leave out the type attribute altogether.

This issue sometimes leads to bugs that manifest in surprising ways.