Template Literals In JavaScript


One of the most significant improvements to JavaScript string construction introduced by the ECMAScript 6 (ES6) upgrade is the use of Template Literals. This feature makes it easier to insert expressions into strings and makes multi-line strings and string interpolation simpler. Because of these features, Template Literals are an effective tool for JavaScript developers.

What is Template Literals in JavaScript?

Backticks ({}) indicate Template Literals, which provide an easier way to create string literals with more capabilities. This permits multi-line strings without concatenation or newline characters, as well as variable substitution for JavaScript expressions.

Variable substitution

It is possible to directly insert variables into a string by using template literals. Take this illustration into consideration. Here, we evaluate the equation ${name} enclosed in backticks and insert the result into the text at that location.

let firstName = "Ishika";
let lastName = "Mishra"
let fullName = `Hello, ${firstName} ${lastName}!`;

Multi-line Strings

Initially, you had to use escape characters like \n or concatenation with the + operator to create a multi-line string in JavaScript. Using Template Literals makes this process a lot easier:

let multiLineString = `This is a multi-line string
that spans multiple lines.`;

Multi-line strings

Embedded Expressions

As well, template literals allow expressions to be directly embedded within strings:

let temp = 50;
let val = 20;
let result = `The sum of ${temp} and ${val} is ${temp + val}.`;

Embedded expressions

In this case, the expressions ${a}, ${b}, and ${a + b} are evaluated, and the output is appended to the string.


JavaScript's Template Literals provide a clearer more concise method of working with strings, particularly when it comes to multi-line strings, variable substitution, and expression embedding. JavaScript developers may write simpler and more manageable code by using Template Literals.

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Q 1. How are Template Literals different from regular strings in JavaScript?

Ans Template Literals allow for more advanced string manipulation, such as variable interpolation and multi-line strings, using backticks (`). Regular strings use single or double quotes and do not support these features.

Q 2. What are the advantages of using Template Literals over regular strings?

Ans. Template Literals provide a cleaner syntax for string interpolation and multi-line strings, making the code more readable. They also support embedded expressions directly within the string.

Q 3. Can I use Template Literals in older versions of JavaScript?

Ans. No, Template Literals are a feature introduced in ECMAScript 6 (ES6) and are not supported in older versions of JavaScript.

Q 4. Are there any limitations to using Template Literals?

Ans. While Template Literals offer many benefits, they are not compatible with older browsers that do not support ES6. Developers should check browser compatibility before using them in production.

Q 5. How do I escape special characters in Template Literals?

Ans. Special characters in Template Literals are handled differently than in regular strings. For example, you can use the ${} syntax for variable substitution, and backslashes are treated as literal characters rather than escape characters.