jquery eq<script src="http://www.w3school.com.cn/jquery/jquery-1.11.1.min.js">
</script>
<table>
<tr><td>a1</td><td id="i" onclick="">a2</td><td>a3</td></tr>
<tr><td>b1</td><td id="i" onclick="">b2</td><td>b3</td></tr>
<tr><td>c1</td><td id="i" onclick="">c2</td><td>c3</td></tr>
</table>
<script>
alert($('table tr:eq(1) td:eq(0)').text());
alert($('table tr:eq(1) td:eq(2)').text());
</script>
</script>
<table>
<tr><td>a1</td><td id="i" onclick="">a2</td><td>a3</td></tr>
<tr><td>b1</td><td id="i" onclick="">b2</td><td>b3</td></tr>
<tr><td>c1</td><td id="i" onclick="">c2</td><td>c3</td></tr>
</table>
<script>
alert($('table tr:eq(1) td:eq(0)').text());
alert($('table tr:eq(1) td:eq(2)').text());
</script>
function dial(e){
var mobile = e;
alert(mobile);
window.onload = function () {
var table = document.getElementsByTagName("table")[0]; //最好用 id 或 class 来获取
var tds = table.getElementsByTagName("td");
for (var i = tds.length - 1; i >= 0; i--) {
tds[i].onclick = function () {
alert(this.firstChild.nodeValue);
}
}
}还是这么写方便一些...不用给每个 td 都加上 onclick 属性