Re: Execution of JS in IE6 Much Slower Than FireFox 3
- From: Thomas 'PointedEars' Lahn <PointedEars@xxxxxx>
- Date: Fri, 16 Jan 2009 00:01:08 +0100
Tom wrote:
[...] My question is why does IE6 perform so much slower than FF [3]?
Are you kidding? Where have you been? (Are you trolling? I'll bite this
time for apparently it needs to be said once.)
IE 6.0 Final, which is the newest of that major version that brought
considerable, not security-related changes is dated 2001-08-21 CE; the
newest FF 3 release (3.0.5) is dated 2008-12-20.
Internet Explorer is Closed Source and non-free, developed by one company
and depending on its sales-driven release plan. Firefox is Open Source and
Free Software (free as in freedom, not in free beer, although the latter
also applies here), jointly developed by Mozilla.org and contributors,
private people and professionals working for several different companies,
being worked on almost all the time on a comparably tight and
quality-driven release plan.
Internet Explorer 4+ is based on the flawed ActiveX/COM model, and runs only
on Windows platforms and their inherently flawed security model. Firefox 3
isn't based on it (although additional support on Windows can be provided
by a plugin if needed), and runs almost everywhere.
And, in order to get back on topic:
Internet Explorer 6 uses JScript (as part of the Windows Script Host), an
evolved but still provably buggy copycat of the original Netscape
JavaScript[tm], with incompatible extensions; Firefox 3 uses JavaScript,
the evolved original, still maintained by its inventor formerly working for
Netscape, Brendan Eich.
<http://PointedEars.de/es-matrix#features>
Do I need to go on?
[...] Is there some setting in IE that will improve the performance ?
Short answer: no.
Long answer: It's unlikely that there is one that, when changed, still
allows your script to run. You need to make your code more efficient
instead.
PointedEars
.
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