On Apr 18, 2015, at 12:46 PM, Yusuke SUZUKI wrote: > Hi forks, > > Seeing ES6 String.prototype.search, there's a breaking change from ES5. > > When executing `"gnulluna".search(null)`, > > In ES5, RegExp(null) => /null/ is generated, so the result becomes 1. > > http://ecma-international.org/ecma-262/5.1/#sec-15.5.4.12 > > In ES6, we fall down to the 21.1.3.15 step 3 (because null is not undefined). > And then reaching step 3.a, > > Let searcher be GetMethod(regexp, @@search). > > Then TypeError is thrown by GetV's ToObject. > > Is it intentional behavior?
Appears to be a bug. Probably also for similar code for match, replace, and split. Please file a bug ticket. Allen
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