我在点击按钮时尝试获取父级的值:
HTML部分:
<td>
<select>
<option value='2' >Administrator</option>
<option value='3' selected='selected'>Webmaster</option>
<option value='4' >Editor</option>
<option value='5' >Journalist</option>
</select></td>
<td><div class='save'>Save</div></td>
Run Code Online (Sandbox Code Playgroud)
JavaScript部分:
$('.save').click( function() {
level = $(this).parent('select option:selected').val();
alert(level);
});
Run Code Online (Sandbox Code Playgroud) 当用户退出输入字段时,我试图获取下一个输入字段的id:
$("input").blur(function(){
var theid = $(this).attr('id');
var thefield = $(this).nextAll('input').first().attr('id');
alert(thefield);
});
Run Code Online (Sandbox Code Playgroud)
目前它返回undefined.HTML代码是:
<table><tr>
<td>Number</td><td>Name</td>
<tr><td>1 <input type='text' name='deltagernummer[]' value='' size='6' id='r0' tabindex='1' /></td>
<td><input type='text' name='deltagernavn[]' value='' id='rr0' tabindex='-1' /></td></tr>
<tr><td>2 <input type='text' name='deltagernummer[]' value='' size='6' id='r1' tabindex='2' /></td>
<td><input type='text' name='deltagernavn[]' value='' id='rr1' tabindex='-1' /></td></tr>
</table>
Run Code Online (Sandbox Code Playgroud)
问题是什么?