JavaScript - check if string includes a substring

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In this article, we would like to show you how to check if a string includes a substring in JavaScript.

Quick solution:

'This is example text...'.includes('example');  // true

Practical example

In the below examples we check if the string contains a substring using includes() method.

// ONLINE-RUNNER:browser;

const text = 'This is example text...';

const result = text.includes('example');

console.log(result);  // true

// ONLINE-RUNNER:browser;

const text = 'This is example text...';

const result = text.includes('xyz');

console.log(result);  // false