include perf boost as well as ECMA6 detect for include or contains #105
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Based on the proposed polyfill for ECMA6 for
String.prototype.contains()
http://wiki.ecmascript.org/doku.php?id=harmony:string_extras
using not equivalent to
!==
instead of greater than>
gets a performance boost according tohttp://jsperf.com/string-contains
as well as add the detection if
String.prototype.contains()
exists then mapinclude()
to that