Javascript中点击(click)事件的3种写法_h5css3_linhuai的博客-CSDN博客_点击
<!DOCTYPE html> <html> <head> <title>Javascript中点击事件方法一</title> </head> <body> <button id="btn">click</button> <script type="text/javascript"> var btn = document.getElementById("btn"); btn.οnclick=function(){ alert("hello world"); } </script> </body> </html>
消除事件:btn.οnclick=null;
方法二:
<!DOCTYPE html> <html> <head> <title>Javascript中点击事件方法二</title> </head> <body> <button id="btn">click</button> <script type="text/javascript"> var btn = document.getElementById("btn"); btn.addEventListener('click',function(){ alert("hello wrold"); },false) </script> </body> </html>
方法三:
<!DOCTYPE html> <html> <head> <title>Javascript中点击事件方法三</title> <script type="text/javascript"> function test(){ alert("hello world"); } </script> </head> <body> <button id="btn" οnclick="test()">click</button> </body> </html>