1 <!DOCTYPE html> 2 <html lang="zh"> 3 <head> 4 <meta charset="UTF-8" /> 5 <meta name="viewport" content="width=device-width, initial-scale=1.0" /> 6 <meta http-equiv="X-UA-Compatible" content="ie=edge" /> 7 <title>html中切記ID不能重復</title> 8 </head> 9 <body> 10 <div id="add"> 11 第一個觸發事件 12 </div> 13 <div id="add"> 14 第二個不觸發事件 15 </div> 16 <script src="js/jquery-1.12.4.min.js" type="text/javascript" charset="utf-8"></script> 17 <script type="text/javascript"> 18 $('#add').click(function(){ 19 alert('113') 20 }) 21 </script> 22 </body> 23 </html>