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shadcn.io is an independent project built on shadcn/ui

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Character Counter Input Group (Text) for Svelte

A single-line tweet field that shows a fixed 0/280 at the end and stops further typing at 280.

UI library: Ark UI

A tweet field shows 0/280 at its end. That count is fixed text, so it stays at zero while someone types. The field itself stops accepting characters at 280.

Use it when a short post has a hard cap and you will render the live count yourself. A longer note belongs in a Textarea. In Svelte, Ark UI does not update 0/280 as the person types.

Preview

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Installation

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Anatomy

Input Group anatomy: root, addon, input, text, button

Usage

<InputGroup class="w-full max-w-sm bg-background"><InputGroupInput aria-label="Tweet" maxlength={280} placeholder="Enter tweet..." type="text" /><InputGroupAddon align="inline-end"><InputGroupText>0/280</InputGroupText></InputGroupAddon></InputGroup>

FAQ

What enforces the limit?

maxLength={280} on InputGroupInput.

Does 0/280 count as people type?

No, it's fixed text. Keep the value in state and render its length.

How does the count sit at the end?

An InputGroupAddon with align="inline-end", after the input.

How do I warn near the limit?

Switch the count to text-destructive past a threshold, from the same state.

Do screen readers hear the count?

Not unless you tie it in: give the count an id and set aria-describedby on the input.

How is the input labeled?

aria-label="Tweet".

API Reference

Input Group

Sets aria-label="Tweet", maxlength={280}, placeholder="Enter tweet...", type="text" and align="inline-end". The rest is on the Input Group page.

All 39 input group examples