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Javascript zero padding
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| function pad(n, width, z) { | |
| z = z || '0'; | |
| n = n + ''; | |
| return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n; | |
| } | |
| pad(10, 4); // 0010 | |
| pad(9, 4); // 0009 | |
| pad(123, 4); // 0123 | |
| pad(10, 4, '-'); // --10 |
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