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Fix 'Operation aborted' error message in some versions of IE6. #122

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When using Respond.js at the end of the body element, some versions of IE will abort loading of the site with the message "Operation aborted". The site will not be rendered at all after this error occurs. This appears especially common with IE versions installed with tools such as MultipleIE.

This error is caused when the DOM is changed before the document is completely parsed. Attached is a fix, which just waits for the DOM ready event to fire if necessary.


No, just one


Relevant: more info on the “operation aborted” error in IE:


FWIW, I've experienced this problem using RespondJS in Microsoft's IE6-XP VM for Parallels downloaded from Eventually solved by downloading latest version of respondjs but at the time, moving my modernizr.js script tag to be after the respond.js script tag seemed to help.


Patch by @rolftimmermans seems to fix the issue for me, although does cause a little flicker (oh well, it's only IE).


If this is still happening for anybody, please file an issue and include a simple example page where it is occurring

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Showing with 12 additions and 1 deletion.
  1. +12 −1 respond.src.js
13 respond.src.js
@@ -308,7 +308,18 @@ window.matchMedia = window.matchMedia || (function(doc, undefined){
//translate CSS
- ripCSS();
+ if( document.attachEvent && document.readyState !== "complete" ){
+ // Avoid "Operation aborted" error in IE6 by waiting until the DOM is loaded.
+ var DOMLoaded = function() {
+ if( document.readyState === "complete" ) {
+ document.detachEvent( "onreadystatechange", DOMLoaded );
+ ripCSS();
+ }
+ };
+ document.attachEvent( "onreadystatechange", DOMLoaded );
+ } else {
+ ripCSS();
+ }
//expose update for re-running respond later on
respond.update = ripCSS;
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