Which web browsers natively support Array.forEach()

Question

Which browsers other than Firefox support Array.forEach()? Mozilla say it's an extension to the standard and I realise it's trivial to add to the array prototype, I'm just wondering what other browsers support it?

Answer 1

The JavaScript article of Wikipedia lists the JS versions by browser. forEach is part of JavaScript 1.6. So it is supported indeed by most browsers, except Opera 9.02 (which I just tested). Opera 9.5 (which I just installed!) supports it, along with indexOf for Array.

Surprisingly, it is not official. I don't see its support in the page ECMAScript support in Opera 9.5. Perhaps it is an overlook or perhaps only a partial support they don't want to advertise.

Answer 2

I just checked this for another question: JavaScript for...in vs for.

On kangax's ECMAScript 5 compatibility table, Array.forEach gets a 'yes' for all browsers except IE8.

As of September 2011, IE browser share on desktop devices is less than 40%, and at least 8% of browsers are IE 9.

In other words, Array.forEach is now supported by around 70% of desktop browsers. Obviously, this figure varies considerably, depending on territory and other factors -- some regions or countries (such as Brasil) have a higher proportion of Chrome users, for example, and some (such as China) have far more users on IE6 and IE8.

I haven't checked, but mobile support (on WebKit and Opera browsers) may be even higher.

Answer 3

Since IE doesn't support it (not even v8), I use jQuery.each() -- http://docs.jquery.com/Utilities/jQuery.each

Answer 4

All modern browsers but IE.

Answer 5

The Microsoft AJAX client library adds this to the Array prototype so if you have that client library in your site then you'll have it for sure.

Answer 6

If you need all browsers to support this and other JavaScript 1.6 to 1.8 functions, I would suggest using the customizable jPaq library. The functions are implemented in the way that was suggested by Mozilla.