Jsp check on the non-empty input boxes in the js

假设jsp文本输入框id为“name”

eg:

<tr>
<td><i class="">*</i>人员名称：</td>
<td><input type="text" id="man" name="man" /></td>
</tr>

js page to check
eg:

man = $ var ( '# man') Val ();.
IF (man man == == null || "") {
var Message = "Please fill in the person's name."
return Message;
}