Utilizing jQuery to add a class to an element when a different one is hovered above

I'm currently working on implementing effects on the edges of a webpage that will be triggered when a central div is hovered over. The main tool I'm using for this task is jQuery.

Despite my efforts to diagnose the issue by using alerts in my JavaScript code, I'm still unable to pinpoint why the code is not functioning as expected.

<script type='text/javascript' src='http://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js?ver=1.4.2'></script>
<script>
  $( "#shadow" ).hover(
    function() {
      $( "#wingRight" ).addClass( "shown" );
    }, function() {
      $( "#wingRight" ).removeClass( "shown" );
    }
  );
  $( "#light" ).hover(
    function() {
      $( "#wingLeft" ).addClass( "shown" );
    }, function() {
      $( "#wingLeft" ).removeClass( "shown" );
    }
  );
</script>

Here is the link to my current code on CodePen

Thank you for your help!

javascriptjqueryhtmlcss

Answer №1

The size of a container depends on its content. When you set the height as a percentage, like in the case of #wingLeft and #wingRight, you end up with 100% of 0, which is still 0.

If you specify a fixed height, such as 100px, in your CSS, the jQuery function will work correctly. You can see the updated example in this pen.

http://codepen.io/WallyNally/pen/QKeeRj

By setting a height, you also achieve a centered Mandala.

PS - CodePen automatically includes the <head> section, and you can place the <script> code in the JS field. Additionally, in the settings tab, you have the option to load jQuery without directly linking it in the text.

Answer №2

Consider adding a minimum height to both your wingLeft and wingRight divs in order to ensure visibility when hovering over the div.

#wingLeft{
    width: 33.3%;
    height: 100%;
    min-height: 50px;
}
#wingRight{
    width: 33.3%;
    height: 100%;
    min-height: 50px;
}

Answer №3

To ensure visibility, the elements #wingLeft and #wingRight within the div should have a specified minimum height or content within. Otherwise, the div may not be visible without specified dimensions or child elements.

Answer №4

The reason for this issue is the #wingLeft and #wingRight elements in your codepen have a height of 0.

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