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Copy an object by value

/ Published in: JavaScript
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  1. Object.prototype.clone = function() {
  2.   var newObj = (this instanceof Array) ? [] : {};
  3.   for (i in this) {
  4.     if (i == 'clone') continue;
  5.     if (this[i] && typeof this[i] == "object") {
  6.       newObj[i] = this[i].clone();
  7.     } else newObj[i] = this[i]
  8.   } return newObj;
  9. };

URL: http://my.opera.com/GreyWyvern/blog/show.dml/1725165

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