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Javascript number formatting (number_format ported from PHP)

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The number_format function from PHP rewritten as javascript.
From the super badass http://kevin.vanzonneveld.net/techblog/article/phpjs_licensing/

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  1. function number_format( number, decimals, dec_point, thousands_sep ) {
  2.     // http://kevin.vanzonneveld.net
  3.     // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
  4.     // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
  5.     // +     bugfix by: Michael White (http://crestidg.com)
  6.     // +     bugfix by: Benjamin Lupton
  7.     // +     bugfix by: Allan Jensen (http://www.winternet.no)
  8.     // +    revised by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)    
  9.     // *     example 1: number_format(1234.5678, 2, '.', '');
  10.     // *     returns 1: 1234.57     
  11.  
  12.     var n = number, c = isNaN(decimals = Math.abs(decimals)) ? 2 : decimals;
  13.     var d = dec_point == undefined ? "," : dec_point;
  14.     var t = thousands_sep == undefined ? "." : thousands_sep, s = n < 0 ? "-" : "";
  15.     var i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", j = (j = i.length) > 3 ? j % 3 : 0;
  16.  
  17.     return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
  18. }

URL: http://kevin.vanzonneveld.net

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