主要是onkeyup函数的编写和调用,求大神们帮忙看下
![图片说明](https://img-ask.csdn.net/upload/201905/22/1558531261_364514.jpg)![图片说明](https://img-ask.csdn.net/upload/201905/22/1558531265_986652.jpg)![图片说明](https://img-ask.csdn.net/upload/201905/22/1558531271_600799.jpg)
主要是onkeyup函数的编写和调用,求大神们帮忙看下
![图片说明](https://img-ask.csdn.net/upload/201905/22/1558531261_364514.jpg)![图片说明](https://img-ask.csdn.net/upload/201905/22/1558531265_986652.jpg)![图片说明](https://img-ask.csdn.net/upload/201905/22/1558531271_600799.jpg)