Learn how to use jQuery's .addClass() method to specify custom CSS styling

One of my website elements is a div that I want to hide when clicked. The element uses Bootstrap4 and has a CSS style called "d-none" which hides the element by setting display to none.

To achieve this functionality, I added the following code in my .js file:

$("#div").on("click", function(e, m) {
  alert("Click event triggered!");
  $("div").addClass("d-none");
});

However, I encountered an issue when trying to specify that it should utilize the style from bootstrap.min.css since I am using multiple CSS files simultaneously.

My attempt at specifying the CSS was as follows:

 $("#div").on("click", function(e, m) {
      alert("Click event triggered!");
      $("div").addClass("../css/bootstrap.min.css/d-none");
    });

Unfortunately, this approach did not work as expected. I am now seeking guidance on how to correctly specify the CSS for this particular element.

Answer №1

To hide the division, incorporate a hash symbol in this code line: $("#div").addClass("d-none");

Answer №2

From what I gather, the issue seems to be that the class .d-none is being applied to the div upon a click event, but it is getting overridden by another CSS file. You might want to explore other bootstrap properties like .hide or .hidden depending on your bootstrap version.

If this approach still doesn't work, you could consider creating your own unique class with the property display:hidden;, and then adding this new class instead of using .d-none.

Additionally, make sure to include the following line:

$(this).addClass("d-none"); instead of $("div").addClass("d-none");, as this will specifically apply to the element you wish to hide.

I hope this helps resolve the issue for you.

Answer №3

If you wish to activate the current element, you can use $(this) in your script. For example, if you intend to apply a class or hide #div upon clicking on the element itself, follow the code snippet below.

$("#div").on("click", function(e, m) {
  alert("You have entered successfully");
  $(this).addClass("d-none"); // Add a class
  $(this).hide(); // Hide this specific div
});

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