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February 4, 2017 10:04
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| function addComma(val) | |
| { | |
| if (val === undefined) return '0'; | |
| var reg = /(^[+-]?\d+)(\d{3})/; | |
| val += ''; | |
| while(reg.test(val)) { | |
| val = val.replace(reg, '$1' + ',' + '$2'); | |
| } | |
| return val; | |
| } |
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