Issues with adjusting the height using CSS transformations are not being resolved

There seems to be an issue with animating the height property of an element as it is not animating at all.

Check out the fiddle where the animation is attempted.

Here is the HTML:

<ul>
    <li>
        li 1
    </li>
    <li>
        li 2
    </li>
    <li>
        li 3
    </li>
</ul>​

This is the CSS:

ul.hide {
    height: 0px;
    overflow: hidden;
}
ul {
    -webkit-transition: all 1s ease-in-out;
    -moz-transition: all 1s ease-in-out;
    -o-transition: all 1s ease-in-out;
    -ms-transition: all 1s ease-in-out;
    transition: all 1s ease-in-out;
}

And this is the JS:

setTimeout(function () { $('ul').addClass('hide'); }, 2000);
setTimeout(function () { $('ul').removeClass('hide'); }, 4000);​

Is there a crucial detail that might have been missed or forgotten?

Answer №1

Animating the height property can be tricky if it's set to auto. You may need to directly define the height value, such as height: 50px;, on the ul element in your code snippet.

Another option is to use transform: scaleY(0); for a smoother animation effect!

Answer №2

Check out this code snippet at http://example.com/code

Here is a simple way to achieve the desired effect:

$('ul').css('height', $('ul').height());
setTimeout(function () { $('ul').addClass('hide'); }, 2000);
setTimeout(function () { $('ul').removeClass('hide'); }, 4000);

Alternatively, you can also utilize the use of max-height:

ul.hide {
    max-height: 0px;
    overflow: hidden;
}
ul{max-height:999px;}

For more information, visit http://example.com/other-code

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