HTML标准,是随着时代发展的不断变化的,在不同的时期它们有了新的目标与意义。 ——ZackBee 兼容问题是历史遗留问题(有一种谈历史的感觉),主要谈的是对HTML5标准的支持。HTML4.01标准的思想是将将结构与表现进行分离,而HTML5标准的思想是什么呢?是将标签语义化、内容丰富化、接口多样化(个人观点)。在PC端考虑兼容...
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MDN Web Docsis an open-source, collaborative project that documents web platform technologies, including CSS, HTML, JavaScript, and Web APIs. We also provide extensive 🧑🎓 learning resources for beginning developers and students. Note:By participating in and contributing to our projects and ...
The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.
现在我们已经可以轻松地为网页添加简单的图像,下一步我们开始为 HTML 文档添加音频和视频播放器。在这篇文章中,我们会使用 <video> 和 <audio> 元素来完成这件事;然后我们还会了解如何为视频添加标题/字幕。
Fork37 Star110 main BranchesTags Code Folders and files Name Last commit message Last commit date Latest commit History 1,412 Commits .github dist/css sass styleguide test typography .gitignore .npmignore .prettierignore .prettierrc .stylelintignore ...
CSS 网格布局擅长于将一个页面划分为几个主要区域,以及定义这些区域的大小、位置、层次等关系(前提是 HTML 生成了这些区域)。
The overflow CSS shorthand property sets the desired behavior when content does not fit in the parent element box (overflows) in the horizontal and/or vertical direction.
The width CSS property sets an element's width. By default, it sets the width of the content area, but if box-sizing is set to border-box, it sets the width of the border area.
This element is most commonly used to link to CSS but is also used to establish site icons (both "favicon" style icons and icons for the home screen and apps on mobile devices) among other things. <meta> Represents metadata that cannot be represented by other HTML meta-related elements, ...