随笔分类 -  web前端—dom

阻止默认行为
摘要：p 140 //阻止默认行为(提交转跳)1. //return false;2. //evt.preventDefault();3. //evt.returnValue=false; <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <titl 阅读全文
posted @ 2020-04-09 21:11 Logic-铖 阅读(305) 评论(0) 推荐(0)
阻止冒泡和事件委托
摘要：p73 <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <div style="width: 300px; height: 300px; background: red;"> <d 阅读全文
posted @ 2020-04-08 18:13 Logic-铖 阅读(308) 评论(0) 推荐(0)
鼠标键盘监听事件
摘要：p70 https://www.w3school.com.cn/jsref/dom_obj_event.asp <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title></title> </head> <body> <div sty 阅读全文
posted @ 2020-04-07 15:52 Logic-铖 阅读(288) 评论(0) 推荐(0)