Loops In Javascript

 Adding N Numbers

let prompt  = require("prompt-sync")();

let alert  = require("prompt-sync")({sigint:true});

//For Loop

let sum = 0

let n = prompt("Enter the value of n")

n = Number.parseInt(n)

for (let i = 0; i<n; i++){

  sum += (i+1)

}

  console.log("Sum Of First" + n + "natural number is" + sum)

//For Of Loop

let obj = {

  Deba: 92,

  Jyoti: 78,

  Kanha: 65,

  Samir: 71,

}

for (let a in obj){

  console.log("Marks Of" + a + "is" + obj[a])

}

New

//For In Loop

let obj = {

  Deba: 92,

  Jyoti: 78,

  Kanha: 65,

  Samir: 71,

}

for (let a in obj){

  console.log("Marks Of" + a + "is" + obj[a])

} 

//For Of Loop

for (let b of "Deba"){

  console.log(b)

}