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:

Apr 10, 2025 · 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 7, 2025 · JavaScript String is a collection of characters. They are one of the primitive data types. This tutorial covers these JavaScript string method that lets you manipulate strings. JavaScript strings are a very important part of programming in JavaScript and one must know how to operate on them.

String Properties and Methods. Normally, strings like "John Doe", cannot have methods or properties because they are not objects. But with JavaScript, methods and properties are also available to strings, because JavaScript treats strings …

Apr 11, 2025 · String manipulation using common properties and methods built into JavaScript. Most values can be used as if they are objects in JavaScript. When you create a string, for example by using.

Mar 29, 2023 · JavaScript comes with a variety of built-in methods that are ready to be used as soon as the language is implemented. These methods are pre-written methods and perform specific tasks such as...

In this article, we will explore a comprehensive list of JavaScript string methods, complete with examples and use cases. Let 's start with some of the most commonly used string methods in JavaScript: charAt (index): Returns the character at the specified index. charCodeAt (index): Returns the Unicode of the character at the specified index.

Jun 8, 2022 · Let's understand javascript String functions and how to use them. Returns a string representing the character at the given index. Returns a number representing the UTF-16 code unit value of the character at the given index. Returns a new string containing the concatenation of the given strings.

In this reference page, you will find all String methods and properties available in JavaScript. For example, the toUpperCase () method returns the string converted to uppercase. Returns the number of characters in a string. replace a substring/pattern in the string. Returns the first index of occurrence of a value.

Sep 21, 2022 · Here are a few examples where we can see strings are being used: Also, we can use String as: const string4 = newString("Hello, string!"); Or use it with values like: However, we cannot have such a string as it will cause an error: Strings are useful for holding data so that it can be represented in text form.