<html>
<head>
<title> tb </title>
</head> <body>
<table width= "500 " border= "1 " id= "tb ">
<tr>
<td> head </td>
<td> head </td>
<td> head </td>
</tr>
<tr>
<td> tbody1 </td>
<td> tbody1 </td>
<td> tbody1 </td>
</tr>
</table>
</body>
</html> 如何让一二行背景变成不一样的颜色?
<head>
<title> tb </title>
</head> <body>
<table width= "500 " border= "1 " id= "tb ">
<tr>
<td> head </td>
<td> head </td>
<td> head </td>
</tr>
<tr>
<td> tbody1 </td>
<td> tbody1 </td>
<td> tbody1 </td>
</tr>
</table>
</body>
</html> 如何让一二行背景变成不一样的颜色?
<html>
<head>
<title> tb </title>
<script>
window.onload = function(){
var tbl = document.getElementById("tb");
for(var i = 0; i < tbl.rows.length; i++){
if(i % 2 == 0) tbl.rows[i].style.backgroundColor = "#FF0000";
else tbl.rows[i].style.backgroundColor = "#FFFF00";
}
}
</script>
</head> <body>
<table width="500" border= "1" id= "tb">
<tr>
<td> head </td>
<td> head </td>
<td> head </td>
</tr>
<tr>
<td> tbody1 </td>
<td> tbody1 </td>
<td> tbody1 </td>
</tr>
</table>
</body>
</html>