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Floating Label Input with React and Tailwind

chrsgrrtt profile image Chris Garrett ・2 min read

I've been working on the sign in page for Hyperlaunch this week, and wanted to add some nice touches (because first impressions count!).

One of these was to do a nice, "floating label" input - like you see in Material UI etc. It's a really nice pattern for functionality like user sign in, as it's a very streamlined presentation which gives a nice minimal feel.

Alt Text

You might think that this approach is just making use of the placeholder attribute - but unfortunately, that can cause a bit of an accessibility issue. The way around this is to use an absolutely positioned label instead - so screen readers can still interpret the form correctly. This approach has the added benefit of being able to add a subtle transition, to really up the UX game.

I implemented my floating label inputs with React and Tailwind CSS - using a state hook to toggle the class names based on user actions.

The result's a nice, succinct component:

function FloatingLabelInput({ type, name, children }) {
  const [active, setActive] = React.useState(false);

  function handleActivation(e) {
    setActive(!!e.target.value);
  }

  return (
    <div className="relative border rounded mb-2 bg-gray-600 text-white border-white border-opacity-25">
      <input
        className={[
          "outline-none w-full rounded bg-transparent text-sm transition-all duration-200 ease-in-out p-2",
          active ? "pt-6" : ""
        ].join(" ")}
        id={name}
        name={name}
        type={type}
        onChange={handleActivation}
      />
      <label
        className={[
          "absolute top-0 left-0 flex items-center text-white text-opacity-50 p-2 transition-all duration-200 ease-in-out",
          active ? "text-xs" : "text-sm"
        ].join(" ")}
        htmlFor={name}
      >
        {children}
      </label>
    </div>
  );
}
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which is as easy to use as: <FloatingLabelInput name="username" type="text">Username</FloatingLabelInput>

You can see it in action on my Codepen

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