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commafy

View commafy.1.js
1 2 3 4 5 6 7 8
String.prototype.commafy = function () {
return this.replace(
/^(-?\d+)(\d{3}(\.\d+)?)$/,
function (_, a, b) {
return a.commafy() + ',' + b;
}
);
};
View commafy.1.js
1 2 3
Number.prototype.commafy = function () {
return this.toString().commafy();
};
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