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What is the difference between after() and before() in jquery? -PHP Chinese website Q&A-What is the difference between after() and before() in jquery? -PHP Chinese website Q&A
Please watch and learn.
一个是向后，一个是向前，可以在程序里自己尝试下，就容易明白了
after向元素的后边添加html代码，如果元素后面有元素了，那将后面的元素后移，然后将html代码插入
before向元素的前边添加html代码，如果元素前面有元素了，那将前面的元素前移，然后将html代码插入
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
What is the difference between after() and before() in jquery? -PHP Chinese website Q&A-What is the difference between after() and before() in jquery? -PHP Chinese website Q&A
Please watch and learn.
一个是向后，一个是向前，可以在程序里自己尝试下，就容易明白了
after向元素的后边添加html代码，如果元素后面有元素了，那将后面的元素后移，然后将html代码插入
before向元素的前边添加html代码，如果元素前面有元素了，那将前面的元素前移，然后将html代码插入