How to use Backticks in JavaScript ?

Last Updated : 08 Mar, 2024

The backtick (`) character, also known as the backquote or grave accent, serves as a crucial tool in JavaScript for creating strings with enhanced flexibility and readability. It introduces the concept of template literals, providing us with a more concise and expressive way to construct strings compared to traditional methods.

Below are the uses of Backticks in Javascript:

Table of Content

Using Template Literals for String Interpolation

Template literals allow us to embed expressions directly within strings using ${} syntax. This facilitates dynamic interpolation of variables and expressions into strings, eliminating the need for cumbersome concatenation operations and enhancing code readability.

Syntax:

let variable = `string text ${expression} string text`

Example: Creating an Interpolated String in JavaScript using Template Literals with Variable Insertion.

JavaScript

let variable = "value"; let interpolatedString = `This is a ${variable} interpolated string.`;

Output:

string text Hello string text

Using Template Literals for Multi-line Strings

With backticks, you can define multi-line strings directly within your code without resorting to string concatenation or escape characters like `\n`. This approach simplifies the representation of lengthy strings and improves code maintainability, especially for complex text structures like HTML templates or SQL queries.

Syntax:

let variable = `string text
string text
string text`

Example: Declaring a variable `multiLineString` and assigning a multi-line string using template literals in JavaScript.

JavaScript

let multiLineString = `This is a multi-line string.`;

Output:

This is a 
multi-line 
string.

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