JavaScript

July 13, 2023

How to use JavaScript Array keys()

Program to use JavaScript Array keys() method

let a = ["JavaScript","Python","Php","Css","Html"];
let b = a.keys();

for(let key of b){
    console.log(key);
}

Output

0
1
2
3
4

Steps Description

1. Declare three variable a, b and key
2. Initialize three variable with value of array a = ["JavaScript","Python","Php","Css","Html"], b = a.keys() and key
3. Array keys() method returns the index number of the given array.
4. The value of key variable is displayed with the help of console.log inbuilt function

by : Suhel Akhtar