What content type should I use, if any, in an inline JavaScript block inside HTML?
application/x-javascript
text/javascript
Or something else?
asked Feb 26, 2009 at 19:15
Itay Moav -Malimovka
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possible duplicate of When serving JavaScript files, is it better to use the application/javascript or application/x-javascripthexacyanide– hexacyanide2013-10-16 16:39:33 +00:00Commented Oct 16, 2013 at 16:39
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4 Answers
According to the standards you want to use "text/javascript"
answered Feb 26, 2009 at 19:18
Paolo Bergantino
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1 Comment
Christoph
as Gumbo and Chad mentioned, the current recommendation is actually
application/javascript; I'd suggest text/javascript for backwards compatibility, though; and btw: I think application/x-javascript is what Apache sends by default for '.js' files...Beside that application/javascript is the official MIME type of JavaScript , most browsers only accept text/javascript or just ignore the type attribute value.
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text/javascript
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After following a few links through the standards I've come to RFC 4329 which describes Scripting Media Types. It stats that "text/javascript" is obsolete and says that you should now be using "application/javascript".
Edit: Apparently no version of Internet Explorer supports "application/javascript", see: https://connect.microsoft.com/IE/feedback/ViewFeedback.aspx?FeedbackID=338278. So even though "application/javascript" is correct according to the standards, I suppose you need to use text/javascript to compensate for Microsoft's broken browsers (as usual).
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Mr Lister
Indeed. And in contrast to what the accepted answer says, IE does not ignore an unrecognised type. It refuses to run scripts with
application/javascript! So you are forced to use text/javascript, or no type at all. (Note: haven't had a change to test all versions of IE; perhaps the very latest does support application/javascript. But it's best to play it safe; I'm pretty sure all browsers will keep recognising text/javascript for a long time.)