我想开发一个Web应用程序,您可以在其中指定一个问题,然后提供多个答案的选择。我需要在单击加号按钮时添加额外的答案框,但仅添加到特定的formRow(请参阅代码)。 我已经尝试了JQuery最后一个函数,但它总是会在id = 4的答案框后添加。JQuery查找给定div中的最后一个孩子
HTML:
<div class="formRow">
<a href="#" title="" class="Remove smallButton" style="float:right;"><img src="images/icons/color/cross.png" alt="" /></a>
<label>Multiple Choice: </label>
<div class="formRight" style="height:28px;">Question1: <input type="text" class="MCQuestion" QID="'+QID+'" /><a href="#" title="" class="AddAns smallButton" style="margin-left:5px;padding: 1px 3px;"><img src="images/icons/color/plus.png" alt="" /></a></div>
<div class="formRight MCAns" id="1">Answer 1: <input type="text" class="MCAnswer"/><a href="#" title="" class="DelAns smallButton" style="margin-left:5px;padding: 1px 3px;"><img src="images/icons/color/cross.png" alt="" /></a></div>
<div class="formRight MCAns" id="2">Answer 2: <input type="text" class="MCAnswer"/><a href="#" title="" class="DelAns smallButton" style="margin-left:5px;padding: 1px 3px;"><img src="images/icons/color/cross.png" alt="" /></a></div>
<div class="clear"></div>
</div>
<div class="formRow">
<a href="#" title="" class="Remove smallButton" style="float:right;"><img src="images/icons/color/cross.png" alt="" /></a>
<label>Multiple Choice2: </label>
<div class="formRight" style="height:28px;">Question2: <input type="text" class="MCQuestion" QID="'+QID+'" /><a href="#" title="" class="AddAns smallButton" style="margin-left:5px;padding: 1px 3px;"><img src="images/icons/color/plus.png" alt="" /></a></div>
<div class="formRight MCAns" id="3">Answer 1: <input type="text" class="MCAnswer"/><a href="#" title="" class="DelAns smallButton" style="margin-left:5px;padding: 1px 3px;"><img src="images/icons/color/cross.png" alt="" /></a></div>
<div class="formRight MCAns" id="4">Answer 2: <input type="text" class="MCAnswer"/><a href="#" title="" class="DelAns smallButton" style="margin-left:5px;padding: 1px 3px;"><img src="images/icons/color/cross.png" alt="" /></a></div>
<div class="clear"></div>
</div>
的Javascript
$(document).ready(function() {
$("body").on("click", ".AddAns", function(event) {
$(".MCAns").last().after("New Answer Optition"); //Tried this first
$(".MCAns :last-child").after("New Answer Optition"); //Then this
});
});
“.AddAns”按钮在哪里? –
@ Karl-AndréGagnon在问题输入框 –