javascript math random 4 digit number code example
Example 1: create random 4 digit number js
var val = Math.floor(1000 + Math.random() * 9000);
console.log(val);
Example 2: javascript random 4 digit number
var seq = (Math.floor(Math.random() * 10000) + 10000).toString().substring(1);
console.log(seq);