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Posted By

peta on 10/30/09


Tagged

javascript js hack number python prototype loop repeat shortcut ror


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JS: Savvy looping on a Number

 / Published in: JavaScript
 

The Number objects value determines how often the supplied function is repeated. Inspired by ROR & Python. "Pollutes" Number's prototype.

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  1. Number.prototype.times = function(fn) {
  2. 	var i = (this > 0) ? this : 0;
  3. 	while (i--) {
  4. 		fn();
  5. 	}
  6. }

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