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JavaScript Fundamentals: 5 Ways to Check a String for a Substring

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

How to check if a string contains a substring in JavaScript

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

How to Check Whether a String Contains a Substring in JavaScript (ECMAScript 6). includes() method

How to check if a string contains a substring in Javascript

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How To Check Whether A String Contains A Substring In Javascript?

JavaScript - How To Check If A String Contains A Substring In JS [ with source code ]

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

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

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Find Substring In Javascript (English)

Learn Javascript: Working with Strings- Check substring : indexOf()

check whether a string contains a substring in JavaScript

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

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

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how to check whether a string contains a substring in javascript

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