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select事件，他的作用是当鼠标选中目标对象时。比如我鼠标光标选中了其中的几个字，那么这个时候为什么还会有没被我光标选中的字跟着一起弹出？
Still not sure about the select event? -PHP Chinese website Q&A-Still not sure about the select event? -PHP Chinese website Q&A
Please watch and learn.
不管你选中几个字都会触发select事件，该事件被捕获后，弹出哪几个字要看绑定的回调函数是怎么写，课程中的回调函数中是显示input的value值，所以就显示全部的文字了
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Still not sure about the select event? -PHP Chinese website Q&A-Still not sure about the select event? -PHP Chinese website Q&A
Please watch and learn.
不管你选中几个字都会触发select事件，该事件被捕获后，弹出哪几个字要看绑定的回调函数是怎么写，课程中的回调函数中是显示input的value值，所以就显示全部的文字了