The substring() method extracts characters, between two indices (positions), from a string, and returns the substring. The substring() method extracts characters from start to end (exclusive).

Jul 10, 2025 · The substring () method of String values returns the part of this string from the start index up to and excluding the end index, or to the end of the string if no end index is supplied.

In this tutorial, you'll learn how to use the JavaScript substring () method to extract a substring from a string.

Jan 16, 2026 · One common use case for substring () is when you need to extract specific substrings from a known index range. For example, you might extract the first name or last name from a full …

The JavaScript String substring () method is used to retrieve a part of a string from the original string starting from the specified startIndex up to indexEnd (excluding this), and if the indexEnd is not …

Feb 6, 2025 · A comprehensive guide to the JavaScript String substring () method, covering syntax, usage, and practical examples for extracting substrings.

This JavaScript tutorial explains how to use the string method called substring () with syntax and examples. In JavaScript, substring () is a string method that is used to extract a substring from a …

Javascript String substring () The substring () method returns a specified part of the string between start and end indexes.

If you omit the second parameter, substring() will slice out the rest of the string.

Jul 22, 2021 · The .substring() method in JavaScript extracts a portion of a string from one position to another (exclusive) and returns a new string. If the second position is omitted, it returns characters …