Difference Between JavaScript and HTML- JavaScript VS HTML

By BYJU'S Exam Prep

Updated on: September 25th, 2023

The difference between JavaScript and HTML is that Javascript is a scripting language while HTML is a markup language. High-level programming languages like JavaScript and HTML are used in combination to develop web pages. Here we have discussed JavaScript, HTML, and the difference between these two in detail.

JavaScript, which is used to make online pages more interactive and dynamic, is similar to an improved version of HTML, which is used to construct the basic structure of web pages. This is the major difference between JavaScript and HTML. Let us check the difference between JavaScript and HTML based on various parameters in the upcoming sections.

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Difference Between JavaScript and HTML

JavaScript (JS) is a more sophisticated language used to create websites that appear good in a dynamic way and HTML (HyperText Markup Language) is simply a collection of codes that are added to a file to display on a web page.

Let us check the difference between JavaScript and HTML.

JavaScript vs HTML



JavaScript is a high-level scripting language that Netscape developed for use on the client-side web browser.

The most fundamental part of the Web is HTML. It explains the function and arrangement of web content.

JavaScript is a high-level programming language used to create more interactive and dynamic websites.

HTML is a standard markup language that provides website structure.

We utilize JS to make pages more engaging for users.

HTML is mostly used to specify the fundamental layout and structure of a web page.

JavaScript offers more interactive elements, it is more sophisticated. It takes more time to learn.

Given that HTML offers only the most fundamental capabilities, it is incredibly easy to comprehend, master, and use.

Adding dynamic information to a website that shows on the web pages improves how it looks.

It only functions in the way that a webpage would seem without any interactive effects. With HTML, you can add certain static effects to your website to improve its appearance.

It enhances web pages’ interactivity to make them look better.

It outlines the fundamental layout of a web page.

A JavaScript engine is required to run code.

Any web browser must be used to view the content.

What is JavaScript?

Programming language JavaScript complies with the ECMAScript specification. It is a complex scripting language developed by Netscape for use by client-side web browsers. Another name for JavaScript is the language of the browser.

It’s a multi-paradigm programming language that uses the idea of object-oriented programming and is used to build interactive features directly into web browsers without even engaging with the server side of the browser.

What is HTML?

HTML stands for HyperText Markup Language. The purpose and organization of web content are described by HTML. It combines markup language and hypertext. Simply defined, HTML is where you must start if you want to create a web page or online application. HTML is the first step in learning to code and web development.

By employing a set of instructions that more clearly specify how the text should be arranged, HTML merely gives the content some additional meaning. It is a simple language that is used to format plain text so that it stands out and has a suitable structure.

Key Differences between JavaScript and HTML

  • HTML and JavaScript are two high-level computer languages required to build the layout of a website. While JavaScript is an advanced programming language that makes websites more interactive and dynamic, HTML is a standard markup language that provides the basic structure of a website.
  • HTML is how a website should look without any interactive features. On the other hand, JavaScript modifies the page’s content to have an impact on the user’s choices. Simply put, it enhances websites’ visual appeal by adding dynamic information.
  • Since HTML is cross-browser compatible, it is usable with all web browsers, including the most recent ones. The absence of cross-browser compatibility in JavaScript, on the other hand, renders some features inaccessible to particular browsers.
  • JavaScript offers dynamic capability by being integrated into HTML code, however, HTML needs CSS to format and display the data appropriately in a structured fashion.
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