There’s a fantastic section on rendering performance over at Google Web Fundamentals, I suggest you check it out. It's just CSS - toggle a class and call it a day! CSS Grid figures out all the rest. The reason for this is of course that animating the height property in CSS causes the browser to perform expensive layout and paint operations on every frame. horizontalBarGraphContainer:not(:first-child).active. horizontalBarGraphContainer:not(:first-child).active) adjust the max-height in. horizontalBarGraphContainer:not(:first-child) And as height: auto is the default you can remove that too in. grid Īnd voila! You can now animate an element's height without any hardcoded values. The two main things you need to do is: remove height: 0 from. redefine the grid-template-rows to be 1fr with a CSS class or attribute selector.set overflow: hidden to the one element inside the grid.add a transition for grid-template-rows. To do so, I would need to animate it from max-height 0 to the dynamic height shown above. Here's the CSS trick to transition or animate an element's height to auto: The only way to get this effect I think is to animate max-height. I've never considered using animated grid rows to hide grid cells, though. Heres a widget that will animate height on a
and show the interpolated values during the animation.
This delay appears to be introduced by my use of max-height: min-content. However, there is a slight delay between the user clicking on. Use transition to specify that changes to max-height should be transitioned over. Ive got the following code (seen below) which works. Transitions an elements height from 0 to auto when its height is unknown. The height of each items content is dynamic.
toggle
For animate the height of element with CSS Transitions you need use max-height. One of my longstanding annoyances with CSS has been the inability to transition to height auto. Each items height expands/collapses when its header is clicked. Thanks for contributing an answer to Stack Overflow Please be sure to answer the question.Provide details and share your research But avoid. □ See the Pen < a href="">grid-template-rows / grid-template-columns animation (Firefox only)< /a> by Michelle Barker (< a on < a href="">CodePen< /a>. Transitioning to Height Auto (Two Ways) Update : It looks like the origin of this trick in grid traces back to this post from Nelson Menezes in 2021. My question is how do I animate this I am looking for away to slide down the content in overflow hidden element. When the element is not toggled the height is 0 and overflow is hidden, when I toggle the class the height is still 0 but the overflow is visible. CSS still can’t animate to auto dimensions.Not too long ago, browsers shipped animatable CSS grid columns and rows which you could use to fly in a side menu or do fancy stuff like Michelle Barker. I have a jQuery click event that toggles a class.
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