<!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>無標(biāo)題文檔</title>
</head>
<style>
#div1{width:200px;
height:200px;
background:red;
position:absolute;
left:0;
top:200px;
}
</style>
<script>
window.onload=function(){
????var?oDiv=document.getElementById("star");
????var?oDiv=document.getElementById("back");
????star.onclick=?function(){
??starmove(300);
}
????
?back.onclick=?function(){
??starback(0);
}
?
????var?timer=null
?????
function?starmove(iTarget){
????clearInterval(timer);
?????var?oDiv=document.getElementById("div1");
?????timer=setInterval(function(){
????? var?star=document.getElementById('star');
????
?????????????if(oDiv.offsetLeft<300){
??????????????????oDiv.style.left?=?oDiv.offsetLeft+10+"px";
????? star.id="back";
????? var?back=document.getElementById('back');
????? back.value='返回';
????}else?{
??????clearInterval(timer);
????}
?????
??????????
?????????},30)
}
function?starback(iTarget){
????clearInterval(timer);
?????var?oDiv=document.getElementById("div1");
?????timer=setInterval(function(){
?????????????if(oDiv.offsetLeft>0){
??????????????????oDiv.style.left?=?oDiv.offsetLeft-10+"px";
?????
????}else?{
??????clearInterval(timer);
????}
?????
??????????
?????????},30)
}
}
</script>
<body>
<input??id="star"?type="button"?value="開始"/>
<div?id="div1">
</div>
</body>
</html>
點擊返回按鈕不能返回怎么解決？
慕數(shù)據(jù)5775487
2016-12-14 14:23:13
