In which circumstances is window.console.log defined in Internet Explorer 9?  Even when window.console.log is defined, window.console.log.apply and window.console.log.call are undefined. Why is this?  [Related question for IE8: What happened to con...

I'm using localStorage in my JS application and I was wondering why IE9 claims localStorage == undefined. As far as I know, IE8 supports it, is here any way to get it working in the new version?...

var xhttp=new XMLHttpRequest(); xhttp.open('GET', 'foo.xml', false);   F12 pops back: SCRIPT5: Access is denied. on Line 95, which is the xhttp.open line.  My JavaScript seems well-formed, and Firefox does what I think it should.  I...

I have been trying to get these css3 animations to work in IE9 for a few hours today and I am stumped!  I tried implementing a few JavaScript fallbacks but my knowledge is very limited so they failed. I am unsure if it was failing due to my user er...

Looks like I've re-invented the wheel, but somehow this isn't working in Internet Explorer 9, but does in IE6.  function debug()   if(!window.console) {      window.console = { log: function() { /* do something */ } };   }   console.log.app...

I am opening a popup window with   var popup = window.open('...', '...');   This javascript is defined in a control. This control is then used from a web page. I want to reload the page which opens this popup when the popup is closed....

This works  div{     -ms-transform: rotate(30deg); }   And following does not  $("div").css("-ms-transform","rotate(30deg)");   Any ideas why, and how to fix it? Same thing works good on all other browsers, but not on IE. Ofco...

There is a web page with an iframe inside. Sometimes, Input text box controls, inside the iframe, are locked/ freezed. Users cannot enter text into them. But the text box can be focused and not faded. There is no code to disable the input controls an...

I am trying something like below,  var myWindow = null; if(!myWindow || myWindow.closed) {     myWindow = window.open(url, windowId); } else  {     myWindow.focus();    }   All browsers return the window ref for window.open(), but IE 9 returns NULL....

Rather frustrating time here with IE9.  This code works in IE7/8, but not 9.  document.getElementById('id').fireEvent("OnChange");   Any insight as to why?...