我有一个评论字段,如果用户想要更多行来撰写评论,我想扩展。
我最多可以拥有4条支持的线路。
所有4行都是表格的一部分,因为它们可以是空白的。
我的代码如下:
$('#addcomment').click(function(){
$('.hiddenComment').css("display", "inline-block");
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<tr>
<td class="formtitle">Comments</td>
<td class="formfield"><input id="inputdesc" name="comments" type="text" size="70" maxlength="60" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span><img id="addcomment" style="vertical-align: text-bottom" src="/files/icons/label.png" /></td>
</tr>
<tr class="hiddenComment" id="comment2" style="display: none">
<td class="formtitle">Comments 2</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
<tr class="hiddenComment" id="comment3" style="display: none">
<td class="formtitle">Comments 3</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
<tr class="hiddenComment" id="comment4" style="display: none">
<td class="formtitle">Comments 4</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
&#13;
因此,当单击该按钮时,它应显示额外的行。
但似乎无法在Chrome中使用。奇怪的是,这些行与其他行不一致:
有没有人对Chrome为何以这种方式显示表格有任何想法?
由于
答案 0 :(得分:0)
您可以使用jquery函数'.show()'
和'.hide()'
我还添加了width =&#34; 120&#34;修复列的宽度,但不是很必要。
$('.formtitle, .formfield').hide();
$('.base, .hiddenComment').show();
$('#addcomment').click(function(){
$('.formtitle, .formfield').show();
});
&#13;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<table>
<tr>
<td class="formtitle base" width="120">Comments</td>
<td class="formfield base"><input id="inputdesc" name="comments" type="text" size="70" maxlength="60" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span><img id="addcomment" style="vertical-align: text-bottom" src="/files/icons/label.png" /></td>
</tr>
<tr class="hiddenComment" id="comment2" style="display: none">
<td class="formtitle">Comments 2</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
<tr class="hiddenComment" id="comment3" style="display: none">
<td class="formtitle">Comments 3</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
<tr class="hiddenComment" id="comment4" style="display: none">
<td class="formtitle">Comments 4</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
</table>
&#13;
您可以尝试使用此代码进行显示并隐藏点击:
<script>
$('.formtitle, .formfield').hide();
$('.base, .hiddenComment').show();
var view=false;
$('#addcomment').click(function(){
view = !view;
if(view){
$('.formtitle, .formfield').show();
}
else{
$('.formtitle, .formfield').hide();
$('.base, .hiddenComment').show();
}
});
</script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<table>
<tr>
<td class="formtitle" width="120">Comments</td>
<td class="formfield"><input id="inputdesc" name="comments" type="text" size="70" maxlength="60" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span><img id="addcomment" style="vertical-align: text-bottom" src="/files/icons/label.png" /></td>
</tr>
<tr class="hiddenComment" id="comment2" style="display: none">
<td class="formtitle">Comments 2</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
<tr class="hiddenComment" id="comment3" style="display: none">
<td class="formtitle">Comments 3</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
<tr class="hiddenComment" id="comment4" style="display: none">
<td class="formtitle">Comments 4</td>
<td class="formfield"><input id="inputdesc" name="comments2" type="text" size="70" maxlength="40" /><span id="charcount" style="display:none; padding-left:10px; padding-right: 10px; color:#B5B5B5; width: 10px;">60</span></td>
</tr>
</table>
<script>
$('.hiddenComment').show();
$('.hiddenComment > td').hide();
var view=false;
$('#addcomment').click(function(){
view = !view;
if(view){
$('.hiddenComment > td').show();
}
else{
$('.hiddenComment > td').hide();
}
});
</script>