JavaScript妙味課堂物體平滑移動特效

2019-11-21 00:13:24

字體：大中小

來源：轉載

供稿：網友

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>JavaScript物體平移運動特效</title> <style> #div1 {background: red url(//m.survivalescaperooms.com/images/logo.gif); position:absolute; left:50px; top:50px; width:200px; height:200px;} </style> <script type="text/javascript"> var g_oTimer=null; function startMove() { if(!g_oTimer) { g_oTimer=setInterval(moveTimerHandler, 30); } } function moveTimerHandler() { var oDiv=document.getElementById('div1'); var iSpeed=5; if(oDiv.offsetLeft>=300) { clearInterval(g_oTimer); g_oTimer=null; } else { oDiv.style.left=oDiv.offsetLeft + iSpeed + 'px'; } } window.onload=function () { var oBtn=document.getElementById('btn_start_move'); oBtn.onclick=startMove; }; </script> </head> <body> <div   class="iwvjtn8m0"   id="div1"></div> <input id="btn_start_move" type="button" value="開始運動" /> </body> </html>

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