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In JavaScript, string substring returns a portion of a given string. One argument tells the index to start the portion at.

Learn how to efficiently extract the version number of a package from structured text in JavaScript. This guide simplifies string ...

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Learn how to efficiently filter objects by multiple substrings in JavaScript using a simple function. Perfect for handling arrays of ...

A step-by-step guide to creating a custom `substring` method in JavaScript, fixing common mistakes, and optimizing code for ...

In this comprehensive guide, we'll explore the essential JavaScript string methods, including toUpperCase(), toLowerCase(), ...

Learn how to effectively remove unwanted parts of a string in JavaScript using regex. This guide will walk you through extracting ...