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CSS trick: transition `field-sizing: content` on a textarea with anchor

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Adam Argyle

58,636 subscribers

16,812 views • 3 days ago •via X (Twitter)

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4 Comments

Alex Inkin's profile picture
Alex Inkin3 days ago

Check out this one ;)

Adam Argyle's profile picture
Adam Argyle3 days ago

Sick 🤘💀 great use of view-timeline. Amazing what an overflow clip can unlock huh?

James Kerr's profile picture
James Kerr3 days ago

Noice. This good on all the browsers??

Justin's profile picture
Justin3 days ago

it would have been really special if the video grew with it

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We're getting closer 🤏 input, textarea { field-sizing: content; } Auto-resizing text inputs with one line of CSS 🚀
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Future CSS Tip! 🚀 You can create auto-resizing text inputs with one line of CSS 🔥 textarea, input { field-sizing: content; } No more JavaScript to sync a textarea height to fit the content 🫶 Perfect for chat, messaging, comments, etc. 💬 The size of your input will grow to fit your content. If you want to constrain the size, do something like this: textarea { field-sizing: content; min-height: 2lh; /* Use the line-height unit 😎*/ max-height: 10lh; } Love the fact you could use this for auto-resizing in both directions too! 🙌 Want a search field that expands horizontally? Do it! Love these one-liners that bring incredible value to the platform like this 💙 CodePen.IO link below! 👇
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¡POR FIN podremos hacer esto en CSS! Cambiar la altura de un textarea según su contenido. Es la nueva propiedad "field-sizing: content". Sin necesidad de usar JavaScript. Aquí tienes una demostración y el código ↓
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¡POR FIN podremos hacer esto en CSS! Cambiar la altura de un textarea según su contenido. Es la nueva propiedad "field-sizing: content". Sin necesidad de usar JavaScript. Aquí tienes una demostración y el código ↓

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CSS Tip! 🤙 You can create this magnetic :hover effect with CSS anchor positioning, :has, and zero JS 🔥 article { anchor-name: --develop; } ul:has(li:hover) { --anchor: --develop; } ul::after { inset: anchor(var(--anchor) top) anchor(var(--anchor) right) ... ; } How do you keep it clean when entering/exiting the list? Use transition-delay ⭐️ ul:has(li:hover) { --active: 1; } ul::after { opacity: var(--active, 0); transition: opacity 0.2s, inset 0.2s 0.2s; } ul:hover::after { transition: opacity 0.2s 0.2s, inset 0.2s; } This is a cool trick you can use. Delay the opacity on enter and then delay the position on exit. That way you don't get a weird effect on enter/exit 🙏 This one's a "Future" CSS tip 🔮 But, the demo will work in all browsers in some way. The idea is to progressively enhance it. 1. No JavaScript and no Anchor Positioning? Highlight on hover ✏️ 2. No Anchor Positioning? Use JavaScript with a single event listener to update the inset values using elementFromPoint and .closest 🫶 3. If there is Anchor Positioning support, use that and don't fire the JavaScript. You can check with CSS.supports('anchor-name: --anchor') ✨ That's it! CodePen.IO link below! 👇
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Future CSS Tip! 🔮 You can anchor an element to multiple elements with anchor positioning .anchored { top: anchor(--a-1 bottom); left: anchor(--a-2 right); } Combine it with CSS mask to create some "Supercharged CSS ⚡️" Watch the debug below 👀 CodePen.IO link below! 👇
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spritesheets are, and always will be, a fun trick! ⚡ translate with css based on pointer position grace note™ blink included ♪
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今天又学了一个新的 css 属性：field-sizing 是我最近学到的最有用的属性了，可以实现根据输入的 content 实现可变宽高的 textarea，当我写了半天 js 实现对应的效果，发现 CSS 可以很轻松的实现对应的效果了。 而且针对响应性设计使用这个属性会非常的方便。
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今天又学了一个新的 css 属性：field-sizing 是我最近学到的最有用的属性了，可以实现根据输入的 content 实现可变宽高的 textarea，当我写了半天 js 实现对应的效果，发现 CSS 可以很轻松的实现对应的效果了。 而且针对响应性设计使用这个属性会非常的方便。

Viking

52,713 views • 2 years ago