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本文向大家介紹一個javascript實現的動畫。點擊開始按鈕div會往右移動，點擊停止後，div停止移動，再點擊則繼續移動。請看下面代碼：
<html> <head> <meta charset="gb2312"> <head><title>javascript實現的簡單動畫</title><style type="text/css">#mydiv{ width:50px; height:50px; background-color:green; position:absolute;}</style><script type="text/javascript"> window.onload=function(){ var mydiv=document.getElementById("mydiv"); var start=document.getElementById("start"); var stopmove=document.getElementById("stopmove"); var x=0; var flag; function move() { x=x+1; mydiv.style.left=x+"px"; } start.onclick=function() { clearInterval(flag); flag=setInterval(move,20); } stopmove.onclick=function() { clearInterval(flag); } }</script><body><input type="button" id="start" value="開始運動" /><input type="button" id="stopmove" value="停止運動" /><div id="mydiv"></div></body></html>
效果圖：
以上就是本文的全部內容，希望對大家學習javascript程式設計有所協助。
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