- 项目实现:主要是css3,定时器和字符串截取的使用。首先需要在html准备两个标签(
<style>
和<pre>
),一个用来展示css样式,一个用来展示代码。准备好css代码,通过设置定时器每间隔一定的时间,截取css代码写入到准备好的标签里,然后大功告成啦。这里有个小知识点,setInterval这个定时器,设置好间隔时间是没法更改的。可以通过设置两个setTimeout定时器实现setInterval同样的效果,并且是可以调速的(a good programmer told me this)。由于我的css代码过长,即使可以调速,观看整个过程也要耗费一定的时间。这里我设置了一个按钮,点击可以跳过动画,直接查看最终效果。另外,动画中代码部分的高亮用到了prismjs这个库。
pikachu's Introduction
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