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Difference between CSS and JavaScript

Last Updated : 12 Jun, 2022
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CSS and JavaScript both are used on Web pages with HTML but for different roles. CSS is used to design the webpage for better layouts for the user, that the user can feel comfortable with the Web page. JavaScript is used to create interaction between webpages and the user. 

CSS: CSS stands for Cascading Style Sheet, it is a style sheet language used to shape the HTML elements that will be displayed in the browsers as a web-page. Without using CSS, the website which has been created by using HTML will look dull. Basically CSS gives the outer cover on any HTML elements. If you consider HTML as a skeleton of the web-page then the CSS will be the skin of the skeleton. The Internet media type (MIME type) of CSS is text/CSS. 

CSS Features: 

  • CSS is compatible with all the devices.
  • With the help of CSS, website maintenance is easy and faster.
  • CSS support consistent and spontaneous changes.
  • CSS makes the website faster and enhances search engine capabilities to crawl the web pages.
  • It holds a special feature that is the ability to re-position.

JavaScript: It is a lightweight, cross-platform, and interpreted scripting language. It is well-known for the development of web pages, many non-browser environments also use it. JavaScript can be used for Client-side developments as well as Server-side developments. JavaScript contains a standard library of objects, like Array, Date, and Math, and a core set of language elements like operators, control structures, and statements. JavaScript can be used as Client-Side as well as Server-Side

JavaScript Features: 

  • JavaScript was created in the first place for DOM manipulation. Earlier websites were mostly static after JavaScript it was created dynamic Web sites.
  • Functions in JS are objects. They may have properties and methods just like another object. They can be passed as arguments in other functions.
  • It can handle date and time.
  • Performs Form Validation although the forms are created using HTML.
  • No compiler needed.

Difference between CSS and JavaScript: 

CSS Javascript
CSS stylizes components of the webpage. JavaScript is dependable for the interactivity of the webpage.
CSS is much easier and more basic when it comes to web page formatting and designing. JavaScript is tougher compare to CSS in this scenario.
CSS directly defines in the <style> tag in HTML. The <script> tag should be used for JavaScript code.
CSS can not approve shapes, can be utilized to identify guest browsers, and can be utilized to recover and store data from visitors’ computers. JavaScript can approve shapes, can be utilized to identify guest browsers, and can be utilized to recover and store data from visitors’ computers.
Any broken CSS rule will not impact your entire web-app and would not stop the site from loading. An error in your JavaScript code will breakdown the complete app.
CSS is applied to both HTML and XML. JavaScript is applied on HTML only.
There is more scope for Optimization in the case of CSS. JavaScript does not support these types of optimizations because it does not have access to those APIs. 
CSS files are saved with .CSS extension. JavaScript files are saved with an extension .js


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