I designed a navigation bar that includes a sub-menu feature. Currently, there is only one member with a caret symbol positioned nearby. When this member is clicked, the sub-menu opens displaying other members. However, the caret remains pointing to the right side. I am looking to change it so that when the sub-menu is open, the caret points downwards and returns to the right when closed. Is jQuery necessary for this task? If so, how should I go about implementing it? Thank you!
To utilize jquery's addClass and removeClass functions, you have the capability to swap out one class for another. This can be achieved through the following code snippet:
$('btn').click(function(){
$('selector').removeClass('caret-right').addClass('caret-down');
});
In this scenario, caret-right is a css selector containing styling information for displaying a caret in a rightward direction, while caret-down pertains to similar functionality but oriented downward.
To avoid using classes, you can simply rotate the entire element:
$('.button').click(function(){
$("#caret").css({
transform: 'rotate(' + 90 + 'deg)'
});
});
Indeed, I recommend utilizing JQuery for this task.
One way to accomplish this is by utilizing the jQuery toggleClass method.
$('button').click(function(){
$(this).toggleClass('down');
});.down i{
transform:rotate(90deg);
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css" rel="stylesheet"/>
<button>
<i class="fa fa-caret-right"></i>
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