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# 第三课 | ||
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## 更多 HTML/CSS | ||
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- 超链接 <a> | ||
- 字体 font-family | ||
- Google Fonts | ||
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## JavaScript 语言基础 | ||
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- Chrome DevTools Console | ||
- 运算符 | ||
- 变量声明、数据类型 | ||
- 对象、函数 | ||
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## 文档对象模型(DOM) | ||
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- window 对象、document 对象、全局变量 | ||
- 传统方法:`getElementById()`、`getElementsByTagName()`、`getElementsByClassName()`、`addEventListener()` | ||
- 现代方法:`querySelector()`、`querySelectorAll()` | ||
- jQuery:`$()` | ||
- 事件绑定:`addEventListener()`、`$().on()` | ||
- 事件冒泡机制 |