var nf = Intl.NumberFormat();
var x = 42000000;
console.log(nf.format(x));
//42,000,000

let tagihan=x;
let tagihan_format=String(tagihan).replace(/(.)(?=(\d{3})+$)/g,'$1,');
console.log(tagihan_format);

<style type="text/css">
 @font-face {
  font-family: "Monaco";
   src: url("landing/font/monaco.eot");
   src: url("landing/font/monaco.eot?#iefix") format("embedded-opentype"),
    url("landing/font/monaco.woff2") format("woff2"),
    url("landing/font/monaco.woff") format("woff"),
    url("landing/font/monaco.ttf") format("truetype"),
    url("landing/font/monaco.svg#Monaco") format("svg");
 }
</style>

//using replace()
someString = 'the cat looks like a cat';
anotherString = someString.replace(/cat/g, 'dog');

//using str.split(search).join(replacement);
str = "Test abc test test abc test...".split("abc").join("");

var mystr = '0000000020C90037:TEMP:data';
var myarr = mystr.split(":");
var myvar = myarr[1] + ":" + myarr[2];
console.log(myvar);

SELECT id, no_wa, other_columns FROM messages WHERE
id IN (SELECT MAX(id) FROM messages GROUP BY no_wa );