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Javascript操作表格隔行变色

时间:2014-06-09 21:14:27      阅读:350      评论:0      收藏:0      [点我收藏+]

标签:c   style   class   blog   code   java   

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<!DOCTYPE html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
    <script type="text/javascript">
        window.onload = function () {
            var oTab = document.getElementById("tb1");
            var oldColor = "";
            /*--------------------------拓展--开始------------------------------*/
            // var name = oTab.getElementsByTagName("tbody")[0].getElementsByTagName("tr")[0].getElementsByTagName("td")[1].innerHTML;
            /*
            表格的应用
            1.获取
             tBodies.tHead,tFoot,rows,cells
             2.各行变色
             鼠标移入亮度显示
             3.添加删除一行
            // alert(oTab.tBodies[0].rows[0].cells[1].innerHTML);
            // alert(name);
            */
            /*--------------------------拓展--结束------------------------------*/
 
            for (var i = 0; i < oTab.tBodies[0].rows.length; i++) {
 
                oTab.tBodies[0].rows[i].onmouseover = function () {
                    //先把之前的颜色存入到oldColor变量中
                    oldColor = this.style.background;
                    this.style.background = "green";
                }
                oTab.tBodies[0].rows[i].onmouseout = function () {
                    //把oldColor中之前的颜色重新加上
                    this.style.background = oldColor;
 
                }
                //
                if (i % 2) {
                    //隔行变色
                    oTab.tBodies[0].rows[i].style.background = "#CCC";
                }
            }
        }
    </script>
</head>
<body>
    <table id="tb1" border="1" style="width: 500px;">
        <thead>
            <tr>
                <td>ID</td>
                <td>姓名</td>
                <td>年龄</td>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>1</td>
                <td>Cupid</td>
                <td>66</td>
            </tr>
            <tr>
                <td>2</td>
                <td>Fly</td>
                <td>45</td>
            </tr>
            <tr>
                <td>3</td>
                <td>Sky</td>
                <td>23</td>
            </tr>
            <tr>
                <td>4</td>
                <td>Windy</td>
                <td>98</td>
            </tr>
            <tr>
                <td>5</td>
                <td>Snow</td>
                <td>09</td>
            </tr>
        </tbody>
    </table>
</body>
</html>

  

Javascript操作表格隔行变色,布布扣,bubuko.com

Javascript操作表格隔行变色

标签:c   style   class   blog   code   java   

原文地址:http://www.cnblogs.com/alphafly/p/3776950.html

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