JavaScript

June 1, 2023

How to use JavaScript String indexOf()

Program to use JavaScript String indexOf() method

let a = "JavaScript best programing language";

let b = a.indexOf("best");

console.log(b);

Output

11

Steps Description

1. Declare two variable a and b
2. Initialize two variable with value of string a = "JavaScript best programing language" and b
3. indexOf() method will print the number of the index if the word or character is found in the string. will print -1 if not found
4. The value of b variable is displayed with the help of console.log inbuilt function

by : Suhel Akhtar