HTML基础学习——全局事件属性_设置全局form onkeydown_YuanYWRS的博客-CSDN博客

网站介绍:<!DOCTYPE html><html> <head> <meta http-equiv="content-type"content="text/html;charset="utf-8"> <title>事件</title> </head> <body> 输入文本框:<input type="text" id ="source"><br /> <butto._设置全局form onkeydown