效果圖：(紅色方塊可任意拖動)
代碼如下：
<meta charset="UTF-8"> <meta name="Generator" content="EditPlus®"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta name="Description" content=""> <title>Document</title> <style type="text/css"> *{ margin:0; padding:0; } body{ background:url("img/2345_image_file_copy_1.jpg"); } #d1{ width:100px; height:100px; background:red; margin-left:300px; } </style> </head> <body> <div id="d1"></div> </body> <script> window.onload=function(){ var d1=document.getElementById("d1"); d1.onmousedown=function(e){ var mouseX=e.clientX; var mouseY=e.clientY;//計算xy var pianyiX=mouseX-d1.offsetLeft; var pianyiY=mouseY-d1.offsetTop; document.onmousemove=function(e){ var newX=e.clientX-pianyiX; var newY=e.clientY-pianyiY; d1.style.marginLeft=newX+"px"; d1.style.marginTop=newY+"px"; } }; document.onmouseup = function(e){ document.onmousemove = null ; }; } /* 結果，上面的onmousemove要寫在document上,我寫在div上導致錯誤 */ </script></html>以上就是本文的全部內容，希望本文的內容對大家的學習或者工作能帶來一定的幫助，同時也希望多多支持武林網！
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