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【HTML】【理论学习】1.基础理论_html/css_WEB-ITnose

程序员文章站 2022-04-06 12:44:32
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HTML : Hypertext Markup Language 中译：超文本标识语言，目前最新版本为HTML5.0


HTML文档基本结构由是三个标签负责组织 ：


定义文档的字符编码，一般使用标签在头部定义，常用字符编码包括中文简体(gb2312),中文繁体(big5),和通用字符编码(utf-8)。使用方法 :


HTML中的标签

文档结构标签 ：、

、


文本格式标签 :

、<h>、<p>、</p> <pre class="brush:php;toolbar:false">(标识预定义文本，其中可以保留空格和换行) <p> <blockquoto>(标识长的引用文本)</blockquoto></p> <p><br></p> <p> 字符格式标签 : <i>(引用文本、斜体)、<blink>(标识闪烁文本。。。貌似没用？)</blink></i></p> <p> <big>、<small>、<sup>(上标)、<sub>(下标)、<cite>（引用）<br></cite></sub></sup></small></big></p> <p><br></p> <p> 列表标签 : </p></pre> <ul>、</ul> <ol>、<li>、<dl>(定义列表)、<dt>(列表项)、</dt> <dd>(列表项的解释)<br><p><br></p> <p> 链接标签 : <a target="_blank" rel="nofollow" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNu"> ->定义超链接 ->定义锚点（文档内部）</a></p> <p><br></p> <p> 多媒体标签 : <img onerror="this.src='/statics/superweb999/images/image_error.jpg'"src="/default/index/img?u=" alt="【HTML】【理论学习】1.基础理论_html/css_WEB-ITnose" title="【HTML】【理论学习】1.基础理论_html/css_WEB-ITnose">、<embed>(嵌入多媒体)、<object>（定义多媒体）<br></object></embed></p> <p><br></p> <p> 表格标签 : </p> <table>、<caption>、<th>、</th> </caption> <tr>、<td>、<thead>、</thead> </td> </tr> <tbody>、</tbody> <tfoot>、<br><p> </p> <col>(列)、<colgroup>（列组）<br><p><br></p> <p> 表单标签 : </p> <form>定义表单结构、<input>、<textarea>、<select>(下拉列表)、 <option>(下拉列表选择项目)、</option> <optgroup>(选项组，相似的项目合并在一个组) <p> <button>、<fieldset>(表单中的域)、<legend>（域的标题）</legend> </fieldset></button></p> <p> </p> <p>HTML中的属性</p> <p> 基本属性 : class、id、style</p> <p><br></p> <p> 语言属性 : lang、dir(文字方向)</p> <p><br></p> <p> 键盘属性 : accesskey(访问某元素的键盘快捷键)</p> <p><br></p> <p> 内容属性 : alt(元素的替换文本)、title(提示文本)、longdesc(大段描述信息)</p> <p> datetime(包含内容的时间日期) </p> <p> HTML5基础<br></p> <p>相比于HTML4，HTML5添加了许多新特性<br></p> <p><br></p> <p>HTML5的文档类型声明 : </p> <p><br></p> <p>视频 : <video src="URL" controls="controls">无法显示视频时显示此语句</video></p> <p> video的属性 ： autoplay = "autoplay" 设置视频自动播放<br></p> <p> controls = "controls" 提供弓用户使用的视频控件<br></p> <p> height、width 设置视频的宽度和高度</p> <p> loop = "loop" 设置视频连续播放</p> <p> preload = "preload" 预加载，当使用了autoplay时，此属性无效</p> <p>音频　：<audio src="URL" controls="controls">不支持音频时显示此语句</audio><br></p> <p> audio的属性 : audio有着和video类似的属性――autoplay、controls、loop、preload<br></p> <p><br></p> <p>HTML新的Input类型 ：</p> <p> <input type="email" name="name"> 验证输入的内容是否为邮箱地址<br></p> <p> <input type="URL" name="name"> 验证输入的内容是否为网址<br></p> <p> <input type="number" name="name" min="1" max="10">验证输入的是否为 数字和数字位数<br></p> <p> <input type="range" name="name" min="1" max="10">验证是否为数字和数字范围<br></p> <p> <input type="date" name="name"> 日期选择<br></p> <p> <input type="search"> 搜索域<br></p> <p><br></p> <p>其他元素 ：hgroup : 用于对整个页面或页面中的一个内容区块的标题进行组合</p> <p> figure : 表示一段独立的流内容，一般表示文档内容中的一个独立单元<br></p> <p> figuration : 为figure元素添加标题<br></p> <p> (流：在文档和应用的body中使用的元素，如form,h1,small等)<br></p> <p> embed : 用来插入多种多媒体 既可以是视频，也可以是音频<br></p> <p> mark : 高亮文字<br></p> <p> time : 表示日期和时间<br></p> <p> canvas : 生成一块画布，可以使用JavaScript绘图</p> <a href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL2suaHRtbD90PTI=" target="_blank" rel="nofollow"><img onerror="this.src='/statics/superweb999/images/image_error.jpg'"src="/default/index/img?u=aHR0cHM6Ly9pbWcucGhwLmNuL3VwbG9hZC9jb3Vyc2UvMDAwLzAwMC8wNzEvNjIwYzYwNGY3NTI1MTk5NS5wbmc=" style="margin-top: 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