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How can I optimize for IE?

I have a JS-heavy app and it runs slowly in IE. I'm about to spend about a week optimizing for IE, and I'd like some direction about things to try.

I found this thread referencing Drip, which seems useful:

IE and Memory accumulation in Javascript

I'm looking for tips like, "use for loops instead of $.each" as well as architectural best practices that I may not be using.

Libraries I'm using:

  • jQuery
  • Google Maps
  • Facebook JS API
  • KnockoutJS
  • Taffy

Things I'm already doing:

  • using for loops instead of $.each
  • caching jQuery contexts for commonly-referenced DOM elements
  • building HTML using Array.join() vs. string concatenation

Any suggestions?

Thanks!

like image 618
marclar Avatar asked Nov 22 '10 22:11

marclar


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1 Answers

Use a JavaScript Profiler in IE

like image 53
Byron Whitlock Avatar answered Sep 19 '22 11:09

Byron Whitlock