On 6/25/12 5:43 AM, 李玉北 wrote:
according to this is test<http://jsperf.com/with-statement>, why there are so huge impact on the js performance.
Because "with" means you can't really do things like http://en.wikipedia.org/wiki/Inline_caching and similar techniques.
-Boris _______________________________________________ dev-tech-js-engine-internals mailing list [email protected] https://lists.mozilla.org/listinfo/dev-tech-js-engine-internals

