Clicking on the image will toggle the visibility of the parent container

I am currently working on a layout and am seeking assistance with a specific feature. The task at hand involves a container that has a set height of 288px and contains an image with a height of 576px. The requirement is that when a user clicks anywhere within the parent container, the image remains the same height while the container toggles between displaying the full 576px height and a half-height of 288px. Essentially, the image height remains constant, but the container switches between two different heights based on user interaction. I am facing difficulty in achieving this behavior as the image's height is also changing along with the parent container. The current structure of the styling is as follows:

html (slim)

.persona-banner
  img#perImg.sm-img [alt='Persona Banner' ng-src="{{ persona.banner }}"]

css (toggling between classes)

.persona-banner {
    height: 576px;
    margin-top: -88px;
    z-index: -1;
    img { position: absolute; }
  }

   .lrg-img {
    height: 576px;
    width: 1024px;
  }

  .sm-img {
    height: 288px;
    width: 1024px;
  }

jquery

  $('img#perImg').click(function() {
      $(this).toggleClass("sm-img lrg-img", 1000);
      if ($(this).hasClass('sm-img')) {
      // moving other elements with the switch
        $('.persona-header-bottom').css('margin-top', '-400px');
      } else {
        $('.persona-header-bottom').css('margin-top', '-130px');
      }
   });

In my attempts to resolve this issue, I have experimented with various options such as enclosing all elements in another container to control the toggling of the persona-banner container, utilizing hidden overflow-y, and adjusting positioning for both the image and parent container.

If anyone can provide assistance with this challenge, it would be greatly appreciated :)

Answer №1

To achieve the desired effect, simply adjust the height of the div.persona-banner without altering the image itself. Set the overflow to hidden so that any excess image content is hidden when the height is 288px

https://example.com/unique-link

.persona-banner {
  height: 288px;
  z-index: -1;
  overflow:hidden;
}

.persona-banner img {
  height: 576px;
  width: 1024px;
  margin-top:-144px;
}

.persona-banner.active{
  height:576px;
}

.persona-banner.active img {
  margin-top:0;
}

Then, in the script, toggle the active class of the div.persona-banner to adjust its height

$('.persona-banner').click(function() {
  $(this).toggleClass('active');
});

Answer №2

Your understanding of how toggleClass operates is incorrect; it does not simply switch between the two classes, but rather adds or removes both classes simultaneously.

Additionally, the second parameter can only be true or false, not a value like 1000.

For more information, you can visit http://api.jquery.com/toggleclass/.

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