Mutability vs Immutability in JavaScript
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Program 1
"use strict"
const ps=require("prompt-sync")
const prompt=ps({sigint:true})
let s1=prompt("Enter a string") // Dataflair
console.log(s1.concat(" Indore MP").toUpperCase())
//s1=s1.toLowerCase()
//s1.concat("indore")If you are Happy with DataFlair, do not forget to make us happy with your positive feedback on Google
