Home Web Front-end HTML Tutorial Introduction to DIV CSS_html/css_WEB-ITnose

Introduction to DIV CSS_html/css_WEB-ITnose

Jun 24, 2016 am 11:50 AM

传统页面数据和布局都混合在一起,如下图:
Copy after login
而DIV+CSS存在下述优势:
Copy after login
1、符合W3C标准。微软等公司均为W3C支持者。这一点是最重要的,因为这保证您的网站不会因为将来网络应用的升级而被淘汰。     2、支持浏览器的向后兼容,也就是无论未来的浏览器大战,胜利的是IE7或者是火狐,您的网站都能很好的兼容。     3、搜索引擎更加友好。相对与传统的table, 采用DIV+CSS技术的网页,对于搜索引擎的收录更加友好。     4、样式的调整更加方便。内容和样式的分离,使页面和样式的调整变得更加方便。 现在YAHOO,MSN等国际门户网站,网易,新浪等国内门户网站,和主流的WEB2.0网站,均采用DIV+CSS的框架模式,更加印证了DIV+CSS是大势所趋。     5、CSS的极大优势表现在简洁的代码,对于一个大型网站来说,可以节省大量带宽,而且众所周知,搜索引擎喜欢清洁的代码。  6、表现和结构分离,在团队开发中更容易分工合作而减少相互关联性
Copy after login
<p><strong>我们可以简单的这样理解div+css:</strong></p><p><strong>div 是用于存放内容(文字,图片,元素)的容器。</strong></p><p><strong>css 是用于指定放在div中的内容如何显示,包括这些内容的位置和外观.</strong></p>
Copy after login

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
Two Point Museum: All Exhibits And Where To Find Them
1 months ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

What is the purpose of the <datalist> element? What is the purpose of the <datalist> element? Mar 21, 2025 pm 12:33 PM

The article discusses the HTML &lt;datalist&gt; element, which enhances forms by providing autocomplete suggestions, improving user experience and reducing errors.Character count: 159

How do I use HTML5 form validation attributes to validate user input? How do I use HTML5 form validation attributes to validate user input? Mar 17, 2025 pm 12:27 PM

The article discusses using HTML5 form validation attributes like required, pattern, min, max, and length limits to validate user input directly in the browser.

What is the purpose of the <iframe> tag? What are the security considerations when using it? What is the purpose of the <iframe> tag? What are the security considerations when using it? Mar 20, 2025 pm 06:05 PM

The article discusses the &lt;iframe&gt; tag's purpose in embedding external content into webpages, its common uses, security risks, and alternatives like object tags and APIs.

What is the purpose of the <progress> element? What is the purpose of the <progress> element? Mar 21, 2025 pm 12:34 PM

The article discusses the HTML &lt;progress&gt; element, its purpose, styling, and differences from the &lt;meter&gt; element. The main focus is on using &lt;progress&gt; for task completion and &lt;meter&gt; for stati

What is the purpose of the <meter> element? What is the purpose of the <meter> element? Mar 21, 2025 pm 12:35 PM

The article discusses the HTML &lt;meter&gt; element, used for displaying scalar or fractional values within a range, and its common applications in web development. It differentiates &lt;meter&gt; from &lt;progress&gt; and ex

What are the best practices for cross-browser compatibility in HTML5? What are the best practices for cross-browser compatibility in HTML5? Mar 17, 2025 pm 12:20 PM

Article discusses best practices for ensuring HTML5 cross-browser compatibility, focusing on feature detection, progressive enhancement, and testing methods.

What is the viewport meta tag? Why is it important for responsive design? What is the viewport meta tag? Why is it important for responsive design? Mar 20, 2025 pm 05:56 PM

The article discusses the viewport meta tag, essential for responsive web design on mobile devices. It explains how proper use ensures optimal content scaling and user interaction, while misuse can lead to design and accessibility issues.

How do I use the HTML5 <time> element to represent dates and times semantically? How do I use the HTML5 <time> element to represent dates and times semantically? Mar 12, 2025 pm 04:05 PM

This article explains the HTML5 &lt;time&gt; element for semantic date/time representation. It emphasizes the importance of the datetime attribute for machine readability (ISO 8601 format) alongside human-readable text, boosting accessibilit

See all articles