[Webkit-unassigned] [Bug 20710] WebKit should support defer and async on script elements

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=20710





--- Comment #7 from Michael Dayah <michael at dayah.com>  2009-09-05 09:40:57 PDT ---
Internet Explorer before version 8 have a strange defer order. They execute
deferred inline scripts before deferred external scripts. IE8 and Firefox 3.5,
however, consistently load in the order described in comment #2.

Firefox also has moved the DOMContentLoaded event to fire after deferred
scripts are loaded. This appears to be final and a closed issue. I don't
anticipate any further changes in their defer implementation.

External dependencies blocking page load is a problem we now have the tools to
deal with thanks to defer covering 85% of the web. Defer is also part of the
XHTML and HTML 4 specifications. With Webkit's implementation of defer, this
will go over 90% and start becoming a mainstream pattern. I suggest this be
moved up in priority for these reasons.

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