What is the difference between css and javascript

藏色散人
Release: 2023-01-05 16:11:08
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The difference between css and javascript: 1. CSS refers to cascading style sheets, which is a markup language that separates style information from web content, while JavaScript is a dynamic scripting language; 2. CSS is used to modify Web page style, and javascript is used to realize the function of interaction between web pages and people.

What is the difference between css and javascript

The operating environment of this article: windows7 system, css3&&javascript version 1.8.5, Dell G3 computer.

Client web pages usually include web content, HTML, javascript and CSS. Among them, javascript (js for short) is a browser client script language, which is used to realize the function of interaction between web pages and people; CSS, cascading style sheets, is used to modify the style of web pages, that is, to make web pages look better.

CSS (Cascading Style Sheet) Cascading Style Sheet

Presentation - design the presentation style of the web page, that is, "how to display relevant content"

CSS is the style A markup language that separates information from web content. We use CSS to define styles for each element; it is mainly used to beautify HTML pages.

The syntax is: selector {property: value} (selector {property: value}).

You can modify the display, position and other styles of each element in the HTML document by setting the corresponding style attributes; such as modifying the color, font, font size, width and height, position, background, etc.

JS (JavaScript) a dynamic scripting language

Behavior (behavior) - controlling the behavior (effect) of the web page, that is, "how the content should react to events"

Use JavaScript code can make the front desk interactive (click events), and is often used to add a variety of dynamic functions to web pages to provide users with a smoother and more beautiful browsing effect. Usually JavaScript scripts realize their functions by embedding them in HTML.

Commonly used functions of JavaScript:

  • Embed dynamic text in HTML pages

  • Respond to browser events

  • Read and write HTML elements

  • Validate data before it is submitted to the server

  • Detect visitor browsing Server information

  • Control cookies, including creation and modification, etc.

[Recommended learning:javascript advanced tutorial

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