Answer to Question #287994 in HTML/JavaScript Web Application for Rushi

Question

Let arr =["string","array","hello",null, undefined];

Find the length of each string But null , undefined length should be return 0

By using array map function

Answer 1

const arr =["string","array","hello",null, undefined]
const A = arr.map(myFunction)

function myFunction(arr[i]) {
for (let i = 0; i < 4; i++) {
if (arr[i]==null || arr[i]==undefined) {
  A[i]=0;
} else {
  A[i]=arr[i].length;
}