实例 演示返回按下的鼠标键

x
 
<!DOCTYPE html>
<html>
<head>
<script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("div").mousedown(function(event){ 
    $("div").append("<br>Mouse button pressed: " + event.which);
  });
});
</script>
</head>
<body>
<div style="border:1px solid black;width:400px;height:400px;">Press down any mouse buttons inside this div element.</div>
</body>
</html>
                    

输出结果