On Feb 24, 2012, at 8:37 PM, Marcel Laverdet wrote:
> You could extend String.prototype if you wanted to but it's probably one of
> the less common ways to do this kind of thing. It has disadvantages like
> portability, and it will ONLY works on strings. Using Number() or + on
> something that's not a string (undefined, an object, a number) will work
> fine, but your prototype idea will fail. If you did want to go this way I'd
> recommend calling it `toNumber` to match the `toString` convention.
String.prototype.toInt= function toInt () { return parseInt(this, 10) };
"123 px".toInt()
123
--
Jorge.
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