Having a non-enumerable Array.prototype.contains may not be web-compatible

Boris Zbarsky bzbarsky at mit.edu
Tue Sep 30 13:44:52 PDT 2014

On 9/30/14, 4:29 PM, Rick Waldron wrote:
> This may be helpful:
> http://trends.builtwith.com/javascript/javascript-library

Rick, thank you!

This says 1.32% on top 10k sites, 3.05% on top 100k sites, 4.78% on top 
million sites, and 6.39% overall.

There's definitely been a recent dip in those numbers, of course.  Used 
to be even higher.


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