javascript NaN code example

Example 1: how to check when a number varibal = nan in ts

if (isNaN(number)) {
      number = 0;
}

Example 2: nan javascript

// NaN:  Not a Number in javascript
console.log(parseInt('1.23'));				// 1.23
console.log(parseInt('something'));			// NaN

Example 3: javascript nan

NaN = Not a number.

Example 4: nan in js

var val = Number.NaN;

Example 5: check if var is NaN

let b=1
let n=readline()
if(isNaN(b)){
  console.log("You typed 0!")
}else{
  console.log("You did not type 0!")
}