js hover放大效果

浏览数：31 / 时间：2015年06月09日

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>Examples</title>
    <meta name="description" content="">
    <meta name="keywords" content="">
    <style>
    * {
        margin: 0;
        padding: 0;
    }
    
    ul {
        width: 400px;
        position: relative;
        margin: 100px auto;
    }
    
    li {
        width: 100px;
        height: 100px;
        background: red;
        margin: 10px;
        float: left;
        list-style: none;
        z-index: 1
    }
    </style>
    <script>
    window.onload = function() {
        var oUl = document.getElementById("test");
        var oLi = oUl.getElementsByTagName(‘li‘);
        var curZIndex = 2;
        for (var i = 0; i < oLi.length; i++) {
            oLi[i].style.left = oLi[i].offsetLeft + "px";
            oLi[i].style.top = oLi[i].offsetTop + "px";

        }
        for (var i = 0; i < oLi.length; i++) {
            oLi[i].style.position = "absolute";
            oLi[i].style.margin = 0

            oLi[i].onmouseover = function() {
                this.style.zIndex = curZIndex++;
                this.style.width = 150 + "px";
                this.style.height = 150 + "px";
                this.style.marginLeft = -25 + "px";
                this.style.marginTop = -25 + "px";
                this.style.backgroundColor = "blue";

            }

            oLi[i].onmouseout = function() {
                this.style.width = 100 + "px";
                this.style.height = 100 + "px";
                this.style.marginLeft = 0 + "px";
                this.style.marginTop = 0 + "px";
                this.style.backgroundColor = "red";
            }

        }


    }
    </script>
</head>

<body>
    <ul id="test">
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
    </ul>
</body>

</html>