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Format number with commas every 3 decimal places

/ Published in: JavaScript
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Adds commas to numbers.
1234567 becomes 1,234,567

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  1. function add_commas(nStr)
  2. {
  3. 	nStr += '';
  4. 	x = nStr.split('.');
  5. 	x1 = x[0];
  6. 	x2 = x.length > 1 ? '.' + x[1] : '';
  7. 	var rgx = /(\d+)(\d{3})/;
  8. 	while (rgx.test(x1)) {
  9. 		x1 = x1.replace(rgx, '$1' + ',' + '$2');
  10. 	}
  11. 	return x1 + x2;
  12. }

URL: http://www.mredkj.com/javascript/nfbasic.html

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