Big boost to DOM performance - WebKit's innerHTML is 240% faster
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We're very happy to see that some common DOM operations have just skyrocketed in speed. The changes were at the WebKit level, boosting performance for both Safari (JavaScriptCore) and Chrome (V8).

Chrome Engineer Kentaro Hara made seven code optimisations within WebKit; below are the results, which show just how much faster JavaScript DOM access has become:

DOM performance boosts summary

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