W3Schools is optimized for learning, testing, and training. Examples might be simplified to improve reading and basic understanding. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using this site, you agree ...
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W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and acce...
datalist 是输入域的选项列表。 注释:list 属性适用于以下类型的 <input> 标签:text, search, url, telephone, email, date pickers, number, range 以及 color <input type="url" list="url_list" name="link" /> <datalist id="url_list"> <option label="W3Schools" value="http://www.w3school.c...
<li style="list-style-type:square">茶</li> <li>牛奶</li></ul> 亲自试一试 » 实例 一个嵌套列表 <ul> <li>咖啡</li> <li>Tea <ul> <li>红茶</li> <li>绿茶</li> </ul> </li> <li>牛奶</li></ul> 亲自试一试 » 实例...
W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and acce...
w3schools 的参考目录: HTML5 HTML5 improves interoperability and reduces development costs by making precise rules on how to handle all HTML elements, and how to recover from errors. Some of the new features in HTML5 are functions for embedding audio, video, graphics, client-side data storage,...
<map>, <area>是放在 <img> 里面的, 让 img 内容某些部分可以被交互 (比如点击), 参考:W3schools – HTML <map> Tag <picture> 是 <img> 的加强版本, 可以看这篇:Responsive Image 响应式图片 (完整版) <canvas> 是用 JS 画画 <source> 用在 <picture>, <audio>, <video> 里 ...
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Again, to play around with the <video> element yourself, use the “Tryit Editor” from https://w3schools.com that allows you to edit some sample code and see what happens.To learn more about video and audio, check out:5 Things you need to know to start using <audio> and <video> ...