public/libraries.js
function numberFormat(number, decimals, decPoint, thousandsSep) {
        var externalFn = Highcharts.numberFormat,
          lang = defaultOptions.lang,
        // http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
          n = +number || 0,
          c = decimals === -1 ?
            (n.toString().split('.')[1] || '').length : // preserve decimals
            (isNaN(decimals = mathAbs(decimals)) ? 2 : decimals),
          d = decPoint === undefined ? lang.decimalPoint : decPoint,
          t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep,
          s = n < 0 ? "-" : "",
          i = String(pInt(n = mathAbs(n).toFixed(c))),
          j = i.length > 3 ? i.length % 3 : 0;

        return externalFn !== numberFormat ?
          externalFn(number, decimals, decPoint, thousandsSep) :
          (s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) +
          (c ? d + mathAbs(n - i).toFixed(c).slice(2) : ""));
    }
function numberFormat(number, decimals, decPoint, thousandsSep) {
        var externalFn = Highcharts.numberFormat,
          lang = defaultOptions.lang,
        // http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
          n = +number || 0,
          c = decimals === -1 ?
            (n.toString().split('.')[1] || '').length : // preserve decimals
            (isNaN(decimals = mathAbs(decimals)) ? 2 : decimals),
          d = decPoint === undefined ? lang.decimalPoint : decPoint,
          t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep,
          s = n < 0 ? "-" : "",
          i = String(pInt(n = mathAbs(n).toFixed(c))),
          j = i.length > 3 ? i.length % 3 : 0;

        return externalFn !== numberFormat ?
          externalFn(number, decimals, decPoint, thousandsSep) :
          (s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) +
          (c ? d + mathAbs(n - i).toFixed(c).slice(2) : ""));
    }
function numberFormat ( number , decimals , decPoint , thousandsSep ) { var externalFn = Highcharts . numberFormat , lang = defaultOptions . lang , // http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/ n = + number || 0 , c = decimals === - 1 ? ( n . toString ( ) . split ( '.' ) [ 1 ] || '' ) . length : // preserve decimals ( isNaN ( decimals = mathAbs ( decimals ) ) ? 2 : decimals ) , d = decPoint === undefined ? lang . decimalPoint : decPoint , t = thousandsSep === undefined ? lang . thousandsSep : thousandsSep , s = n < 0 ? "-" : "" , i = String ( pInt ( n = mathAbs ( n ) . toFixed ( c ) ) ) , j = i . length > 3 ? i . length % 3 : 0 ; return externalFn !== numberFormat ? externalFn ( number , decimals , decPoint , thousandsSep ) : ( s + ( j ? i . substr ( 0 , j ) + t : "" ) + i . substr ( j ) . replace ( / (\d{3})(?=\d) / g , "$1" + t ) + ( c ? d + mathAbs ( n - i ) . toFixed ( c ) . slice ( 2 ) : "" ) ) ; }
Format a number and return a string based on input settings
@param {Number} number The input number to format
@param {Number} decimals The amount of decimals
@param {String} decPoint The decimal point, defaults to the one given in the lang options
@param {String} thousandsSep The thousands separator, defaults to the one given in the lang options
Format a number and return a string based on input settings