Created
July 6, 2009 19:04
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| /** | |
| * Left-pad a number with zeros so that it's at least the given | |
| * number of characters long | |
| * @param n The number to pad | |
| * @param len The desired length | |
| */ | |
| function leftPad(n, len) { | |
| return (new Array(len - String(n).length + 1)).join("0").concat(n); | |
| } | |
| alert(leftPad(42, 6)); // Gives you "000042" |
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