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.

The starting character position is zero-based; in other words, the first character in the string is at index 0, not index 1. To extract a substring that begins at a specified character position and ends before the …

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

Jul 23, 2025 · Definition: A substring is a contiguous sequence of characters within a larger string. It is essentially a smaller portion of a string extracted from the original string. Substrings are often used …

In formal language theory and computer science, a substring is a contiguous sequence of characters within a string. For instance, " the best of " is a substring of " It was the best of times ".

Sep 19, 2010 · There are some additional subtleties between substr() and substring() such as the handling of equal arguments and negative arguments. Also note substring() and slice() are similar …

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 …

Dec 31, 2024 · We'll learn how to use JavaScript substring method to extract substrings from a parent 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 …