Q1:如何引入外部链接?? Bootstrap、jQuery
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
<link rel="stylesheet" href="Webpage.css">
<script src="Webpage.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.3/jquery.easing.min.js"></script>
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>```
Q2:HTML结构写完后,CSS和JavaSctipt不知道怎么写?完全没没思路
Q3:a标签,如何实现从About目录跳转至web相应位置? ↑实现跳转至顶部??
Q4:required 什么作用??
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