<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <script type="text/javascript"> window.onload = function(){ //去掉默認的contextmenu事件,否則會和右鍵事件同時出現。 document.oncontextmenu = function(e){ e.preventDefault(); }; document.getElementById("test").onmousedown = function(e){ if(e.button ==2){ alert("你點了右鍵"); }else if(e.button ==0){ alert("你點了左鍵"); }else if(e.button ==1){ alert("你點了滾輪"); } } } </script> </head> <body> <div style="width: 400px;height:400px;margin:auto;border:1px solid pink" id="test"></div> </body> </html>