Delete element by class in jQuery

Hey there!

Would you happen to know if there's a wildcard in jQuery that could help me remove a class from an element?

I've been trying to update the classes on my info message box. When a user clicks it once, then clicks it again, it adds a new class but keeps the old one as well.

I really need to get rid of the previous class before adding the new one for styling purposes. Any suggestions would be greatly appreciated!

<div id="infoMsg" style="display: block;" class="er-green er-red">All submitted feeds are complete.</div>

As you can see, the original class was er-green, and then er-red was added.

javascriptjquerycss

Answer №1

Woof:

$(this).toggleClass('active');
$(this).toggleClass('inactive');

Alternatively, clear them all out initially:

When a specific class name is provided as an argument, solely that class will be eliminated from the chosen elements. In the absence of any specified class names within the argument, every class will be eliminated.

$(this).removeClass();
$(this).addClass('inactive');

Answer №2

remove() function

$('#messageBox').remove();//simply removes element

$('span').hover(function(){
   $(this).remove();//removes hovered element
   $(this).append('<p>Element Removed</p>');//adds text to removed element
});

Answer №3

Changing the class of "#infoMsg" element in jQuery from 'er-green' to 'newclass'.

Answer №4

One way to manipulate classes in jQuery is by using the removeClass method.

$('#infoMsg').removeClass('er-green');

Similarly, you can also apply a CSS class to your HTML elements.

$('#infoMsg').addClass('er-red');

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