点击按钮删除/添加课程 [英] Remove/add class on click of a button
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问题描述
我希望能够从一个div中删除一个类并在点击一个按钮时添加另一个类。但我无法实现它。
< div class =hiddennav displaynone>
< ul>
<?php wp_nav_menu(array('menu'=>'Main Nav menu')); ?>
< / ul>
< / div> <! - end div hiddennav - >
< div class =fixednav>
< div class =shownav>< a href =#class =shownavbutton>< / a>< / div>
<! - end div shownav - >
< / div> <! - end div fixednav - >
这里是jQuery:
$(document).ready(function(){
$(。shownavbutton)。click(function(){
$(。hiddennav)。removeClass displaynone)。addClass(displayblock);
});
'I' d最好是希望它在多次点击时也切换类。试试 $(选择器)
.toggleClass(class):
$(document).ready(function(){
$(。shownavbutton)。click(function(){
$(。hiddennav)。toggleClass(displaynone)。toggleClass(displayblock);
});
$ b);
另外,你也可以使用CSS方法(假设这是所有您通过 displaynone
和 displayblock
类完成):
$(。hiddennav)。toggle(function(){
$(this).css('display','none');
} ,function(){
$(this).css('display','block');
});
I'd like to be able to remove one class from a div and add another upon the click of a button. But I can't get it to work.
<div class="hiddennav displaynone">
<ul>
<?php wp_nav_menu(array('menu' => 'Main Nav menu')); ?>
</ul>
</div> <!-- end div hiddennav -->
<div class="fixednav">
<div class="shownav"><a href="#" class="shownavbutton"></a></div>
<!-- end div shownav -->
</div> <!-- end div fixednav -->
Here's the jQuery:
$(document).ready(function(){
$(".shownavbutton").click(function() {
$(".hiddennav").removeClass("displaynone").addClass("displayblock");
});
I'd preferably want it to toggle the classes too when clicked multiple times.
解决方案
Try $(selector).toggleClass(class)
:
$(document).ready(function(){
$(".shownavbutton").click(function() {
$(".hiddennav").toggleClass("displaynone").toggleClass("displayblock");
});
});
Optionally, you could use the CSS method as well (assuming that this is all you're accomplishing via your displaynone
and displayblock
classes):
$(".hiddennav").toggle(function() {
$(this).css('display','none');
}, function() {
$(this).css('display','block');
});
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