<html>
<script language="javascript">
function func(){
var t = document.getElementById("t1");
for(var i = 0; i < t.rows.length; i++){
for(var j = 0; j < t.rows[i].cells.length; j++){
str = t.rows[i].cells[j].innerHTML;//读取出td的值
alert(str);
}
}
}
</script>
<body onload="func()">
<table id="t1" width="638" height="118" border="1">
<tr>
<td><p>1</p></td>
<td><strong>2</strong></td>
<td><p>3</p></td>
<td>4</td>
</tr>
</table>
</body>
</html>
代码如上,alert出来的有问题
把<p></p>也给alert出来了。代码要怎么修改才行啊,就以上面的代码为基础
<script language="javascript">
function func(){
var t = document.getElementById("t1");
for(var i = 0; i < t.rows.length; i++){
for(var j = 0; j < t.rows[i].cells.length; j++){
str = t.rows[i].cells[j].innerHTML;//读取出td的值
alert(str);
}
}
}
</script>
<body onload="func()">
<table id="t1" width="638" height="118" border="1">
<tr>
<td><p>1</p></td>
<td><strong>2</strong></td>
<td><p>3</p></td>
<td>4</td>
</tr>
</table>
</body>
</html>
代码如上,alert出来的有问题
把<p></p>也给alert出来了。代码要怎么修改才行啊,就以上面的代码为基础
<html>
<script language="javascript">
function func(){
var t = document.getElementById("t1");
for(var i = 0; i < t.rows.length; i++){
for(var j = 0; j < t.rows[i].cells.length; j++){
var str = t.rows[i].cells[j].innerHTML;//读取出td的值
alert(str);
}
}
}
</script>
<body onload="func()">
<table id="t1" width="638" height="118" border="1">
<tr>
<td><p>1</p></td>
<td><strong>2</strong></td>
<td><p>3</p></td>
<td>4</td>
</tr>
</table>
</body>
</html>
虽然多了个var定义了一下str,但是还是一样的输出啊。我在 http://www.w3school.com.cn/tiy/t.asp?f=html_dropdownbox2
上测试的
var t = document.getElementById("t1");
for(var i = 0; i < t.rows.length; i++){
for(var j = 0; j < t.rows[i].cells.length; j++){
str = t.rows[i].cells[j].innerHTML.replace(/<[^>]+>/g,'');//去掉HTML
alert(str);
}
}
}