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

Some commonly referenced sources are

• Great compatibility tables at QuirksMode. Some of them are being updated recently.
• Kangax sums up ES5 support very well.
• Microsoft released reports of IE standards support.
• Can I Use also includes some information about support of a few Javascript APIs.