> in Android it can be mitigated because you can easily move heavy-duty computations to native code which is impossible for FirefoxOS.
Mozilla's answer to that is asm.js, http://asmjs.org . Although currently it may not provide native speed in all cases, the nice thing about is that it is very light in terms of efforts to develop it so Mozilla can improve it very quickly.
Posted Sep 5, 2013 17:06 UTC (Thu) by b7j0c (subscriber, #27559)
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the only way for mozilla to address string/DOM manipulation would be through language extensions (in which case they lose the "its just js" selling point), or craft their rendering engine to special case what is recognized as asm.js output (possible, but would bloat the rendering engine and create weird bugs)
the v8 folks keep telling people that further optimization of js runtimes is limited due to the nature of the js language...but mozilla can't look at alternatives without giving the appearance of losing their independence
