has substring js code example

Example 1: check for substring javascript

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

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

Example 2: javascript string contains function

s = "Hello world";
console.log(s.includes("world"));

Example 3: How to check whether a string contains a substring in JavaScript?

var str = "Hello world, welcome to the universe.";
var n = str.includes("world");

Example 4: javascript check if string contains a text substring

stringVariable.includes("Your Text");