In ECMAScript 6 Object.is behaves like === except that it distinguishes positive and negative zeroes, and Object.is(NaN, NaN) evaluates to true. (See here for a writeup.)
Chrome 24 supports Object.is.
In ECMAScript 6 Object.is behaves like === except that it distinguishes positive and negative zeroes, and Object.is(NaN, NaN) evaluates to true. (See here for a writeup.)
Chrome 24 supports Object.is.