check positive integer no decimal js code example

Example 1: integer check in javascript

var a=Number.isInteger(5); //True
var b= Number.isInteger(01); //True
var c=Number.isInteger("10"); //False

console.log(a,b,c);  //true true false

Example 2: find positive integers javascript

.filter(num => num > 0 && num % parseInt(num) === 0)