HTML（HyperText Markup Language，超文本标记语言）是一种用于创建网页和网上信息的标准标记语言。它是万维网（World Wide Web）的基础技术之一，由蒂姆·伯纳斯-李（Tim Berners-Lee）在1990年代初期发明。HTML使用一系列的标签来定义网页的结构和内容，这些标签告诉浏览器如何显示网页元素。

HTML的基本构成

HTML文档由一系列的元素组成，这些元素又被称为标签（tags）。每个标签通常由一个开始标签（如）和一个结束标签（如）组成，它们之间的内容就是标签所影响的部分。

基本结构

一个典型的HTML文档的基本结构如下：

网页标题

这是一个标题

这是一个段落。

：文档类型声明，告诉浏览器这是一个HTML5文档。
：HTML文档的根元素。
：包含了文档的元数据，如标题（</strong>）。</li> <li><strong><body></strong>：包含了可见的页面内容。</li> </ul> <h4>常用标签</h4> <ul> <li><strong><head></strong>：包含文档的元数据，如CSS链接、页面标题等。</li> <li><strong><title></strong>：定义文档的标题，显示在浏览器标签页上。</li> <li><strong><body></strong>：包含网页的所有内容，如文本、图片、链接等。</li> <li><strong><h1></strong> 到 <strong><h6></strong>：定义标题，<strong><h1></strong>是最高级别的标题。</li> <li><strong><p></strong>：定义段落。</li> <li><strong><a></strong>：定义超链接。</li> <li><strong><img></strong>：用于嵌入图片。</li> <li><strong><div></strong>：用于布局的容器，可以包含其他HTML元素。</li> <li><strong><span></strong>：用于对文档中的一小段内容进行分组和应用样式。</li> </ul> <h3>HTML与网页设计</h3> <p>HTML是网页设计的基础，它定义了网页的结构和内容。然而，为了使网页更加美观和具有交互性，通常需要结合CSS（Cascading Style Sheets，层叠样式表）和JavaScript来增强网页的表现力和功能。</p> <ul> <li><strong>CSS</strong>：用于设置HTML元素的样式，如颜色、字体、间距等。</li> <li><strong>JavaScript</strong>：一种脚本语言，可以为网页添加动态功能和交互性。</li> </ul> <h3>HTML5的新特性</h3> <p>HTML5是HTML的最新版本，它引入了许多新特性和改进：</p> <ol> <li><strong>语义化标签</strong>：如<strong><article></strong>、<strong><section></strong>、<strong><header></strong>、<strong><footer></strong>等，有助于搜索引擎优化（SEO）和屏幕阅读器等辅助技术的理解。</li> <li><strong>多媒体支持</strong>：HTML5提供了对视频（<strong><video></strong>）和音频（<strong><audio></strong>）的原生支持。</li> <li><strong>表单控件</strong>：增强的表单控件，如日期选择器、电子邮件验证等。</li> <li><strong>图形绘制</strong>：通过<strong><canvas></strong>元素，可以进行图形绘制和动画制作。</li> <li><strong>本地存储</strong>：通过localStorage和sessionStorage，可以在用户浏览器中存储数据。</li> </ol> <h3>结语</h3> <p>HTML作为构建网页的核心语言，对于任何希望从事网页设计和开发的人员来说都是必须掌握的技能。随着Web技术的不断发展，HTML也在不断进化，以适应新的网络应用和设备的需求。通过HTML，结合CSS和JavaScript，开发者可以创建出功能丰富、用户友好的网页和网络应用。</p></div> </div> <footer class="entry-footer"> <div class="readlist ds-reward-stl"> <div class="read_outer zanter" title="打赏"> <p class="dasbox"><a href="javascript:;" onclick="reward()" class="dashang" title="打赏，支持一下"><i class="icon font-yen"></i>打赏</a></p> </div> <div class="read_outer"><a class="comiis_poster_a" href="javascript:;" title="生成封面"><i 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