JSFiddle - React, Tailwind, and code Playground

by Naeem Shaikh

JavaScript

var mySet = new Set();

mySet.add(1);
mySet.add(5);
mySet.add("some text");


console.log('after adding duplicate  values ')
console.log('size='+mySet.size )


mySet.add("some text");
console.log('after adding duplucate  value ')
console.log('size='+mySet.size )