es-shims/es5-shim — pull request #239 by ljharb (2014-05-18 20:31:28+00:00)
Title: Removing nonstandard SpiderMonkey extension from Array#splice

According to the [spec](http://es5.github.io/#x15.4.4.12), omitting the second `deleteCount` argument is a noop, not "delete all elements".

Fixes #192.