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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> |