List of areas missing support for ECMAScript/JavaScript in major browsers?

Question

Is anyone aware of a definitive list of areas of missing support for ECMAScript/JavaScript in the major browsers (I\'m talking IE7+, Firefox, Chrome, Safari and Opera).

Answer 1

A popular source many folks use is: http://kangax.github.com/es5-compat-table/

For Mozilla: https://developer.mozilla.org/En/JavaScript/ECMAScript_5_support_in_Mozilla

For Webkit: http://labs.trolltech.com/blogs/2010/01/15/ecmascript-5-and-webkitjavascriptcore/

For IE: http://www.microsoft.com/download/en/details.aspx?id=14170