Mozilla, Microsoft drawing sabers over next JavaScript

Mozilla Chief Technology Officer Brendan Eich and Microsoft's Chris Wilson are trading heated rhetoric over the proposed next version of ECMAScript, better known as JavaScript.

Microsoft is quibbling with the ECMAScript Edition 4 effort, which is supported by Mozilla, maker of the Firefox browser. "As I've frequently spoken about publicly, compatibility with the current web ecosystem -- not 'breaking the Web' -- is something we take very seriously," Wilson wrote on the Internet Explorer team blog this week. "In our opinion, a revolution in ECMAScript would be best done with an entirely new language, so we could continue supporting existing users as well as freeing the new language from constraints."

Eich is the creator of JavaScript, a programming language that has become a bedrock Internet technology, helping drive much of the rich content and information now common on the Web. Microsoft's implementation of it is known as JScript.

Wilson is the platform architect of Microsoft's Internet Explorer platform team. He wrote on his personal blog Wednesday that Microsoft's position has been misunderstood: "Sadly, this seems to be turning into an 'ES4: yes or no' battle. That's unfortunate, because I don't think anyone should settle into the trenches, and I don't think the other Microsoft guys ever intended to say "everything about ES4 is bad."

"I also think it's a shame that the response to any dissent has equated to shouting the dissenters down," he added.

Writing on his blog in response, Eich accused Wilson of spreading lies.

"You seem to be repeating falsehoods in blogs since the Proposed ECMAScript 4th Edition Language Overview was published, claiming dissenters including Microsoft were ignored by me, or 'shouted down' by the majority, in the ECMAScript standardization group," Eich wrote. "Assuming you didn't know better, and someone was misinforming you, you (along with everyone reading this letter) know better now. So I'll expect to see no more of these lies spread by you."

As for ECMAScript 4's purported shortcomings, Wilson wrote that the proposed new standard may result in complications and incompatibilities with existing Web sites and applications.

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