JS version of Digital amount format method

/**
* JS version of Digital amount format
* @param string s required to process the number string
* @param string n the number of digits reserved for decimals
*/
function Fmoney (s, N)
{
n = n >= 0 && n <= 20? N:2;
s = parsefloat ((s + ""). Replace (/[^\d\.-]/g, "")). ToFixed (n) + "";//change the number of n here can also determine the number of decimal digits to keep
var L = s.split (".") [0].split (""). Reverse (),
r = S.split (".") [1];
t = "";
for (i = 0; i < l.length; i++)
{
T + = L[i] + ((i + 1)% 3 = = 0 && (i + 1)! = L.length? "," : "");
}
if (n>0) {
Return T.split (""). Reverse (). Join ("") + "." + r.substring (0,n);//Leave 2 decimal places if you want to change the last number of substring changes to
}else{
Return T.split (""). Reverse (). Join ("");
}

}

JS version of Digital amount format method