删除jQuery中选中的复选框

Question

我试图在jQuery中删除已选中的复选框,但是当我想获得复选框的状态时,我会收到错误消息.

的jsfiddle

    <div class="control-group">

<label class="checkbox"><input value="0" type="checkbox">Message 0</label>
<label class="checkbox"><input value="1" type="checkbox">Message 1</label>
<label class="checkbox"><input value="2" type="checkbox">Message 2</label>
<label class="checkbox"><input value="3" type="checkbox">Message 3</label>
<label class="checkbox"><input value="4" type="checkbox">Message 4</label>
<label class="checkbox"><input value="5" type="checkbox">Message 5</label>
<label class="checkbox"><input value="6" type="checkbox">Message 6</label>
<label class="checkbox"><input value="7" type="checkbox">Message 7</label>
<label class="checkbox"><input value="8" type="checkbox">Message 8</label>

</div> 


 <button class="btn" type="button" id="deleteAcc">Delete</button>

我的jQuery代码是:

$("#deleteAcc").on("click",function(){      
    $(".control-group label.checkbox").each(function(){
        if (this.children(":first").is(':checked')) {
            this.remove();
        }
    }); 
});

Answer 1

你不需要each方法.只需选中选中的输入并删除父项(包含复选框的标签元素):

$("#deleteAcc").on("click", function() {
  $(".checkbox input:checked").parent().remove();
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="control-group">

  <label class="checkbox">
    <input value="0" type="checkbox">Message 0</label>
  <label class="checkbox">
    <input value="1" type="checkbox">Message 1</label>
  <label class="checkbox">
    <input value="2" type="checkbox">Message 2</label>
  <label class="checkbox">
    <input value="3" type="checkbox">Message 3</label>
  <label class="checkbox">
    <input value="4" type="checkbox">Message 4</label>
  <label class="checkbox">
    <input value="5" type="checkbox">Message 5</label>
  <label class="checkbox">
    <input value="6" type="checkbox">Message 6</label>
  <label class="checkbox">
    <input value="7" type="checkbox">Message 7</label>
  <label class="checkbox">
    <input value="8" type="checkbox">Message 8</label>

</div>


<button class="btn" type="button" id="deleteAcc">Delete</button>