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云代码 - javascript代码库

单定时器多物体运动框架

2018-01-06 作者: 柯侧耳倾听者举报

[javascript]代码库

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>单定时器多物体运动框架</title>
        <style type="text/css">
            div{
                width: 100px;
                height: 50px;
                background: red;
                margin: 10px;
            }
        </style>
    </head>
    <body>
        <div></div>
        <div></div>
        <div></div>
        <script type="text/javascript">
                window.onload=function(){
                var aDiv=document.getElementsByTagName('div');
                for(var i=0;i<aDiv.length;i++){
                    aDiv[i].onmouseover=function(){
                        startMove(this,400);
                    }  
                        aDiv[i].onmouseout=function(){
                        startMove(this,100);
                    }  
                }
            };
             
             
            var timer=null;
            function startMove(obj,iTarget){
                clearInterval(timer);
                timer=setInterval(function(){
                    var speed=(iTarget-obj.offsetWidth)/6;
                    speed=speed>0?Math.ceil(speed):Math.floor(speed);
                    if(obj.offsetWidth==iTarget){
                        clearInterval(timer);
                    }else{
                        obj.style.width=obj.offsetWidth+speed+'px';
                    }
                },30);
            }  
        </script>
    </body>
</html>


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