tomoney.js

function toMoney(value) {
    value += '';
    x = value.split('.');
    x1 = x[0];
    x2 = '';

    if (x.length > 1 ) {
        if (x[1].length < 2) {
            x[1] = x[1]+'0';
        } else {
            x[1] = x[1];
        }
        x2 = ',' + x[1];
    } else {
        x2 = ',00';
    }

    let rgx = /(\d+)(\d{3})/;
    while (rgx.test(x1)) {
        x1 = x1.replace(rgx, '$1' + '.' + '$2');
    }
    return x1 + x2;
}