Answers for "check if text contains substring js"

check for substring javascript

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

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

How to check whether a string contains a substring in JavaScript?

ECMAScript 6 introduced String.prototype.includes:

const string = "foo";
const substring = "oo";

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