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需求舱位选择
原标题:Need jquery selector

我在一页上有以下几页的密码,我需要专门瞄准标内的数字,并将这一数字变数。 我无法直接查阅这一法典,或者说,我会这样做。 网页上有不止一个字塔和标子,但只有一个字体尺寸”3。 选择案文的正确选择是什么?

<td><font size="3"><b>3947</b></font></td>

这是我迄今为止所制定的法典,但它在网页上还收到其他勇敢的文本。

<script type="text/javascript" language="javascript">
$(document).ready(function(){
var invoice_number = $("td b").text();
alert(invoice_number);
});
</script>
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