A JavaScript string is zero or more characters written inside quotes. You can use single or double quotes: Strings created with single or double quotes work the same. There is no difference between the two. You can use quotes inside a string, as long as they don't match the quotes surrounding the string:

Apr 10, 2025 · Strings are useful for holding data that can be represented in text form. Some of the most-used operations on strings are to check their length, to build and concatenate them using the + and += string operators, checking for the existence or location of substrings with the indexOf() method, or extracting substrings with the substring() method.

Mar 10, 2025 · What is a string in JavaScript? A string is a sequence of characters used to represent text. Strings are one of the fundamental data types in JavaScript and are enclosed in single quotes (‘), double quotes (“), or backticks (`).

A JavaScript string stores a series of characters like "John Doe". A string can be any text inside double or single quotes: String indexes are zero-based: The first character is in position 0, the second in 1, and so on. For a tutorial about Strings, read our JavaScript String Tutorial.

Javascript strings are primitive and immutable: All string methods produce a new string without altering the original string. The length property returns the length of a string: There are 4 methods for extracting string characters: The charAt() method returns the character at a specified index (position) in a string:

Jan 17, 2024 · In JavaScript, the textual data is stored as strings. There is no separate type for a single character. The internal format for strings is always UTF-16 , it is not tied to the page encoding.

Feb 3, 2023 · In JavaScript, a string is a data type representing a sequence of characters that may consist of letters, numbers, symbols, words, or sentences. We use strings to represent text-based data and we define them using either single quotes ('), double quotes ("), or backticks (``):

In this tutorial, you will learn about the JavaScript strings and their basic operations such as accessing characters and comparing strings.

The JavaScript string is a primitive data type that represents textual data. For example, In JavaScript, we create strings by surrounding them with quotes or backticks. Single quotes and double quotes are practically the same, and you can use either of the two.

Apr 7, 2025 · Understanding how to work with strings is essential for effective JavaScript programming. How to declare a string in JavaScript. Declaring a string in JavaScript means defining a variable that will hold a string value. To declare a string variable in JavaScript, you use one of the following keywords: var, let, or const.