【www.bbyears.com--js教程】
效果图：
代码如下：
代码如下
<script>
var oBtn=document.getElementById('btn1');
var oDiv=document.getElementById('div1');
var oBtn2=document.getElementById('btn2');
var oBtn3=document.getElementById('btn3');
var oBtn4=document.getElementById('btn4');
oBtn4.onclick=function(){
move(oDiv,10,380,'0px 5px 5px rgba(0,0,0,.5)','top');
}
oBtn3.onclick=function(){
move(oDiv,-10,30,'0px -5px 5px rgba(0,0,0,.5)','top');
}
oBtn2.onclick=function(){
move(oDiv,-10,40,'-5px 5px 5px rgba(0,0,0,.5)','left');
}
oBtn.onclick=function(){
move(oDiv,10,680,'5px 5px 5px rgba(0,0,0,.5)','left');
}
function move(obj,val,target,bs,dir){
obj.style.boxShadow=bs;
clearInterval(obj.timer);
obj.timer=setInterval(function(){
var speed=parseInt(getStyle(obj,dir))+val;
if(speed>=target&&val>0){
speed=target;
}
if(speed<=target&&val<0){
speed=target
}
obj.style[dir]=speed+'px';
if(speed==target){
clearInterval(obj.timer);
}
},30);
}
function getStyle(obj,sty){
return obj.currentStyle?obj.currentStyle[sty]:getComputedStyle(obj)[sty];
}
</script>