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patrickdw

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Array.prototype.map()


Array.prototype.map()


Changed querySelectorAll example to put Array.prototype.map in a variable like the previous example and to return a value in the callback instead of treating .map() like .forEach()

Array.prototype.map()


Removed explicit and unnecessary `k.toString()`, and changed `Pk` references to `k`

Array.prototype.map()


Polyfill: `if (thisArg)` excludes falsey values from being set as the `T`. Replaced with `if (arguments.length > 1)`

Array.prototype.forEach()


Polyfill: `if (thisArg)` excludes falsey values from being set as the `T`. Replaced with `if (arguments.length > 1)`