How to use 'add comma to number javascript' in JavaScript

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152intComma: function intComma(number) {
153 var decimals = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];
154
155 return Humanize.formatNumber(number, decimals);
156},
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90function addCommas(number) {
91 number += '';
92 x = number.split('.');
93 x1 = x[0];
94 x2 = x.length > 1 ? ',' + x[1] : '';
95 var rgx = /(\d+)(\d{3})/;
96 while (rgx.test(x1)) {
97 x1 = x1.replace(rgx, '$1' + '.' + '$2');
98 }
99 return "R$ " + x1 + x2;
100}

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