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mousedown 的時候建立拖動對象，mouseup的時候釋放對象，原理弄清楚了其實很簡單。
簡單拖拽實現代碼：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>簡單拖拽實現</title> <style type="text/css"> *{margin:0;padding:0;} #box{ margin:20px auto; position:relative; width:400px; height:400px; background:#ccc; border:1px solid #333; postion:relative; } #dragBox{ width:50px; height:50px; text-align:center; line-height: 50px;position: absolute; background:blue; cursor:move; font-size:12px; color:#fff;} </style> </head> <body> 拖我 </body> </html>
[Ctrl+A 全選 注:如需引入外部Js需重新整理才能執行]
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