Number.prototype.toMoney = function()

in Hands-on lab/lab-files/src/Contoso Sports League/Contoso.Apps.SportsLeague.Web/wwwroot/js/main.js [170:189]

• 10 lines of code
• 8 McCabe index (conditional complexity)

    Number.prototype.toMoney = function (decimals, decimal_sep, thousands_sep) {
        var n = this,
        c = isNaN(decimals) ? 2 : Math.abs(decimals), //if decimal is zero we must take it, it means user does not want to show any decimal
        d = decimal_sep || '.', //if no decimal separator is passed we use the dot as default decimal separator (we MUST use a decimal separator)

        /*
        according to [http://stackoverflow.com/questions/411352/how-best-to-determine-if-an-argument-is-not-sent-to-the-javascript-function]
        the fastest way to check for not defined parameter is to use typeof value === 'undefined' 
        rather than doing value === undefined.
        */
        t = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep, //if you don't want to use a thousands separator you can pass empty string as thousands_sep value

        sign = (n < 0) ? '-' : '',

        //extracting the absolute value of the integer part of the number and converting to string
        i = parseInt(n = Math.abs(n).toFixed(c)) + '',

        j = ((j = i.length) > 3) ? j % 3 : 0;
        return sign + (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) : '');
    }