jQuery 如何使用jquery删除td标签中的内容
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How to remove the content in the td tag using jquery
提问by Jonathan
I have a table defined like
我有一个表定义如下
<table>
<tr>
<td>
<input type='text' />
</td>
<td>
<button id ='first'>Button</button>
</td>
<td>
<input type='text' />
</td>
</tr>
$("#first").live('click',function(){
$(this).prev().remove();
$(this).remove();
});
How can i remove the previous element in the td
. But i don't want to remove the td
如何删除td
. 但我不想删除td
回答by Brian Stephens
If you want to remove the complete contents of that previous TD (rather than a specific INPUT element), this will work:
如果您想删除之前 TD 的完整内容(而不是特定的 INPUT 元素),这将起作用:
$(document).on("click", "#first", function() {
$(this).closest("td").prev().empty();
});
回答by Miljan Puzovi?
$(document).on("click", "#first", function() {
$(this).closest("td").prev().html("");
});
This will remove all content in previous td
tag.
这将删除前一个td
标签中的所有内容。
回答by VisioN
You should go up the DOM tree until parent <td>
, then get previous <td>
, find <input>
inside and remove it. You should use on()
with event delegation instead of deprecated live()
:
您应该向上 DOM 树直到 parent <td>
,然后获取 previous <td>
,找到<input>
里面并删除它。您应该使用on()
with 事件委托而不是 deprecated live()
:
$(document).on("click", "#first", function() {
$(this).closest("td").prev().find("input").remove();
});
Note, that instead of document
you may use any other staticparent element of #first
.
请注意,这不是document
你可以使用任何其他静态的父元素#first
。
回答by Suresh Atta
Here is the one liner to achieve.
这是要实现的一个班轮。
$(this).closest("td").prev().remove();
回答by Jai
I suggest you to use .on()
instead because .live()
is been now removed from the jQuery version 1.9+:
我建议你.on()
改用它,因为.live()
它现在已从 jQuery 1.9+ 版本中删除:
$(document).on('click', "#first", function(){
$(this).closest('td').prev().children().remove();
});
Click the #first
button and get to the .closest()
<td>
and get the .prev()
element which is a <td>
as well then .remove()
its .children()
.
单击#first
按钮并到达.closest()
<td>
并获取.prev()
元素,它既是 a<td>
又是.remove()
它的.children()
。