jquery format number with commas code example

Example 1: jquery number format comma

var number = 1557564534;
document.body.innerHTML = number.toLocaleString();
// 1,557,564,534

Example 2: jquery thousand separator

function addCommas(nStr) {
    nStr += '';
    var x = nStr.split('.');
    var x1 = x[0];
    var x2 = x.length > 1 ? '.' + x[1] : '';
    var rgx = /(\d+)(\d{3})/;
    while (rgx.test(x1)) {
        x1 = x1.replace(rgx, '$1' + ',' + '$2');
    }
    return x1 + x2;
}