How to use JavaScript String indexOf()
String indexOf
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String indexOf() method
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
- Declare two variable a and b
- Initialize two variable with value of string a = “Hello World in JavaScript” and b
- String .length Calculates the length of a string by counting its characters and output it as a number.
- The value of b variable is displayed with the help of console.log inbuilt function