search for a string in a string javascript code example

Example 1: check for substring javascript

const string = "javascript";
const substring = "script";

console.log(string.includes(substring));  //true

Example 2: find in string javascript

stringToBeSearched.search(stringToBeFound);

Example 3: search inside a string javascript

var string = "Hello world!";
var n = string.search("w"); //now n equals 6