方法一
<!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.onclick=function(){ alert("hello world"); } </script> </body> </html>
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" onclick="test()">click</button> </body> </html>
原文地址:https://www.cnblogs.com/sea-stream/p/10362815.html
时间: 2024-08-05 04:24:18