<!DOCTYPE html> <html> <head> <title></title> <style type="text/css"> #div1{ width: 100px; height: 100px; background: blue; position: absolute;left: 0px; top: 0px; } *{ margin: 0px; padding: 0px; } </style> </head> <body> <div id="div1"></div> <input type="button" id="btn" name="" value="回放"> <script type="text/javascript"> var arrX=[],arrY=[]; div1.onmousedown=function(e){ var ev=e||event; var l=ev.clientX-this.offsetLeft; var t=ev.clientY-this.offsetTop; arrX.push(0); arrY.push(0); document.onmousemove=function(e){ var ev=e||event; var needLeft=ev.clientX-l; var needTop=ev.clientY-t; arrX.push(needLeft); arrY.push(needTop); div1.style.left = needLeft + ‘px‘; div1.style.top =needTop+‘px‘; }; document.onmouseup=function(){ document.onmousemove=null; document.onmousedowm=null; } var t=null; btn.onclick=function(){ clearInterval(t) ; t=setInterval(function(){ if(arrY.length==0){ clearInterval(t); } div1.style.left= arrX.pop()+‘px‘; div1.style.top= arrY.pop() +‘px‘; },30) } return false; } </script> </body> </html>
原文地址:https://www.cnblogs.com/ljyaqd/p/10622533.html
时间: 2024-10-16 10:07:34