铁雪资源网 Design By www.gsvan.com

复制代码 代码如下:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<font face="Verdana, Geneva, sans-serif"></font>
<style type="text/css">   
    #div1{width:100px;height:100px;background:#ccc;position:absolute;top:0px;left:0px;}
    #div2{width:100px;height:100px;background:#ccc;position:absolute;left:0px;top:110px;}
    #div3{width:100px;height:100px;background:red;position:absolute;left:220px;top:0px;filter:alpha(opacity:30);opacity:0.3;}
    #div4{width:100px;height:100px;background:red;position:absolute;left:330px;top:0px;filter:alpha(opacity:30);opacity:0.3;}
    #div5{width:100px;height:100px;background:red;position:absolute;left:440px;top:0px;filter:alpha(opacity:30);opacity:0.3;}
</style>
<script type="text/javascript">
window.onload=function()
{       
    oDiv1=document.getElementById("div1");
    oDiv2=document.getElementById("div2");
    oDiv3=document.getElementById("div3");
    oDiv4=document.getElementById("div4");
    oDiv5=document.getElementById("div5");

    oDiv1.onmouseover=function(){
        Move(oDiv1,"width",200);   
        //alert(getStyle(oDiv1,"width"));
    }
    oDiv1.onmouseout=function(){
        Move(oDiv1,"width",100);
    }
    oDiv2.onmouseover=function(){
        Move(oDiv2,"height",200);     
    }
    oDiv2.onmouseout=function(){
        Move(oDiv2,"height",100);
    }
    oDiv3.onmouseover=function(){
        Move(oDiv3,"opacity",100);
    }
    oDiv3.onmouseout=function(){
        Move(oDiv3,"opacity",30);
    }

    oDiv4.onmouseover=function(){
        Move(oDiv4,"opacity",100);   
    }
    oDiv4.onmouseout=function(){
        Move(oDiv4,"opacity",30);
    }
    oDiv5.onmouseover=function(){
        Move(oDiv5,"opacity",100);  
    }
    oDiv5.onmouseout=function(){
        Move(oDiv5,"opacity",30);
    }

   
}
    //获取行间样式   
    function getStyle(obj,attr)   //getStyle 非行间属性  结果值为 ***px 
    {    if(obj.currentStyle)
        {
            return obj.currentStyle[attr];
        }
        else{
            return getComputedStyle(obj,false)[attr];
        }       
    }  
      //多物体不同运动框架
    function Move(obj,attr,itarget)
    {   
        clearInterval(obj.timer);
        obj.timer=setInterval(function(){
            if(attr=="opacity")
            {    cur=parseFloat(getStyle(obj,attr))*100;
                speed=(itarget-cur)/10;
                speed=speed>0?Math.ceil(speed):Math.floor(speed);   

                if(cur==itarget)
                    {
                    clearInterval(obj.timer);
                    }else
                    {    cur+=speed;
                        obj.style.opacity=cur/100;
                        obj.style.filter="alpha(opacity:"+cur+")";               
                    }               
            }
            else
            {
                cur=parseInt(getStyle(obj,attr));
                speed=(itarget-cur)/10;   //parseInt 获取的值转化为数
                speed=speed>0?Math.ceil(speed):Math.floor(speed);    //向下、向上取正

                if(cur==itarget)
                {
                    clearInterval(obj.timer);
                }else
                {
                    obj.style[attr]=cur+speed+"px";       
                }   
            }   

        },30)   
    }   
</script>
</head>

<body>   
        <div id="div1">变宽</div>
        <div id="div2">变高</div>     
        <div id="div3"></div>   
        <div id="div4"></div> 
        <div id="div5"></div> 
</body>
</html>

标签:
运动,框架

铁雪资源网 Design By www.gsvan.com
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铁雪资源网 Design By www.gsvan.com

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