怎样用jquery得到文本框的值？

Question

如 <input type="text" name="one" value="5"/>

用jquery怎么得值

Answer 1

首先编写一个HTML，代码如下：[plain]&nbsp;view plain&nbsp;copy<form&nbsp;id="form1">&nbsp;&nbsp;<table&nbsp;border="0">&nbsp;&nbsp;<tr>&nbsp;&nbsp;<td>&nbsp;&nbsp;姓名：&nbsp;&nbsp;</td>&nbsp;&nbsp;<td>&nbsp;&nbsp;<input&nbsp;id="name"&nbsp;name="name"&nbsp;type="text"&nbsp;/>&nbsp;&nbsp;</td>&nbsp;&nbsp;</tr>&nbsp;&nbsp;</table>&nbsp;&nbsp;</form>&nbsp;&nbsp;方法//&nbsp;方法一&nbsp;var&nbsp;name&nbsp;=&nbsp;document.getElementById("name").value;&nbsp;&nbsp;alert(name);&nbsp;//&nbsp;方法二&nbsp;&nbsp;name&nbsp;=&nbsp;form1.name.value;&nbsp;&nbsp;alert(name);&nbsp;&nbsp;//&nbsp;方法三&nbsp;jquery&nbsp;&nbsp;name&nbsp;=&nbsp;$("#name").val();&nbsp;&nbsp;alert(name);&nbsp;&nbsp;//&nbsp;方法四&nbsp;jquery&nbsp;name&nbsp;=&nbsp;&nbsp;$("input[id='name']").val();&nbsp;&nbsp;//&nbsp;方法五&nbsp;jquery&nbsp;&nbsp;name&nbsp;=&nbsp;$("#name").attr("value");&nbsp;&nbsp;alert(name);&nbsp;&nbsp;//&nbsp;方法六&nbsp;jquery&nbsp;&nbsp;name&nbsp;=&nbsp;$("input[id='name']").attr("value");&nbsp;&nbsp;alert(name);&nbsp;&nbsp;