The Jquery Addclass function is not functioning properly

I have been struggling with this code as it seems to not be working in any browser, including IE, Chrome, and Firefox. I suspect that the system should add a class, so I checked the DOM using Chrome's console. I did see the class being added, but there was no visible change in Chrome or any other browser.

<html>
  <head>
    <script src="http://code.jquery.com/jquery-latest.js"></script>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
    <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>

    <style>
      #boton
      {
        width:200px;
        height:30px;
        border:1px solid;
        background-color:#cccccc;
      }


    </style>

    <style>
      .botoncla
      {
        background-color:#FF0000;
      }
    </style>


    <script>



    $(document).ready(function(){
      $("#boton").hover(function(){
        $(this).addClass("botoncla");
      }, function(){
        $(this).removeClass("botoncla");
     });
    });

    </script>
    </head>

    <body>
       <div id="boton">Hello</div>
    </body>

</html>

Could someone please test this code for me? I can't seem to get it to work properly.

Answer №1

Your JavaScript code is functioning properly, but the issue lies in your CSS where the background-color property of .botoncla is not overriding the background-color property of #boton.

To resolve this problem, you can try the following:

.botoncla
{
    background-color:#FF0000 !important;
}

UPDATE

In your specific scenario, using !important is considered a workaround. Perhaps utilizing the .animate() method would be more suitable:

$(this).animate({ backgroundColor: "FF0000" }, "slow");

Answer №2

Feel free to experiment with the following:

#btn.btnred {
background-color:#FF0000;
}

Answer №3

This code contains some errors that need to be fixed. Firstly, there are two instances of jQuery included and jQuery UI, which is unnecessary as it is not being used. Additionally, the two versions of jQuery are different, with 'latest' referring to version 1.7.2. It is recommended to remove one of the jQuery versions (most likely v1.4).

The issue with the styling not being applied to .botoncla is due to the fact that IDs have a higher specificity than classes. This means that the styling from #boton takes precedence. To fix this, you can either add !important to the declaration or make it more specific like this: #boton.botoncla

You can view an example on jsFiddle here: http://jsfiddle.net/TheNix/rvUtT/

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