Hướng dẫn which is better java or css? - java hay css tốt hơn?

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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: