5 CSS Animations That Needed JavaScript Until 2026
New CSS features introduced in 2026 allow for animations that previously required JavaScript. These updates include transitioning to height auto, animating elements in and out of display none, and creating smooth native accordions. The advancements simplify the animation process and eliminate the need for complex JavaScript solutions.
- ▪CSS now supports transitioning to height auto, eliminating the need for JavaScript measuring scripts.
- ▪The allow-discrete property enables elements to animate in and out of display none smoothly.
- ▪New features allow for the creation of native, animated disclosures without JavaScript.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3848289) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } RAXXO Studios Posted on May 27 • Originally published at raxxo.shop 5 CSS Animations That Needed JavaScript Until 2026 #ai #productivity #claudecode #automation interpolate-size and calc-size finally let a panel transition to height auto with no measuring script. transition-behavior allow-discrete plus @starting-style animates elements both into and out of display none. ::details-content turns the native details element into a smooth disclosure with zero JavaScript.
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