Please go back and read the existing threads. We've been over this territory ad nauseum.
Yes, of course `array[-1]` would break the web and that's why no one is seriously proposing that. As already discussed extensively, `Array#last` may be an option, but it could collide with libraries or other code which extends `Array.prototype`, and they seem too specialized (why not also `lastButOne`?). Bob On Tue, Apr 19, 2016 at 10:47 AM, Bruno Jouhier <[email protected]> wrote: > Why new syntax here? This is just a method that's missing: `array.last(n)`. > > `array[-1]` would break things and it is difficult to find out where. > Consider: > > ``` javascript > for (var i = array.length - 1; array[i]; i--) doSomething(array[i]); > ``` > > Not the best way to write such a loop but changing `array[-1]` would break > it. >
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