String.prototype.repeat
Dmitry A. Soshnikov
dmitry.soshnikov at gmail.com
Mon Mar 21 18:39:02 PDT 2011
On 22.03.2011 23:42, David Bruant wrote:
> Hi,
>
> About the string_repeat strawman
> (http://wiki.ecmascript.org/doku.php?id=strawman:string_repeat), one
> alternative solution could be a two argument constructor. Something
> like: String(n, pattern). So, for the example in the strawman, it
> would be String(3, '*').
A little bit off-topic, but not so big off-topic. Recently on Twitter
there was a question why it's not an array of zeros:
Array(100).map(function() { return 0; }); // not the array of zeros
the answer is known of course (there's no any property in the created
array), but similary to your String(n, '*'), there can be also
Array.fill(100, 0); or Array.init(100, 0);
P.S.: though, of course all these can be done manually in ES itself.
Dmitry.
> In ES5, the String constructors (String and new String) both are
> expected to be used with zero or one argument, so using a two argument
> constructor should not break the web or people's expectations.
>
> David
>
>
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