Sign in
Skip to solution
mediumMachine Coding

Build a Tooltip

80 views
01

Understand the problem

Build a tooltip that positions itself around a target on hover/focus.

ReactPositioningUI
02

Attempt it yourself

Sketch your approach before reading the solution — that's what interviews test.

Nudge consolestandby

Stuck? Beam a request up — the console returns a conceptual nudge that guides your logic without spoiling the implementation.

03

Study the solution

Solve in

Building a Tooltip in React

Mental model: A tooltip is a small overlay shown on hover and focus, after a short delay, anchored to a trigger. Wrap the trigger in a position: relative span and absolutely-position the bubble against it. The delay timer is the one piece of imperative state — keep it in a ref

Solution ready — 2 min read

Classified // press E to declassify

04

React solution

Complete solutionRun Playground
import React from 'react';
import Tooltip from './src/Tooltip';

export default function App() {
  return (
    <div style={{ fontFamily: 'sans-serif', padding: 60, textAlign: 'center' }}>
      <h1>Tooltip Demo</h1>
      <p>
        Hover or focus the button:&nbsp;
        <Tooltip text="Saves your changes">
          <button style={{ padding: '8px 16px', fontSize: 15, cursor: 'pointer' }}>Save</button>
        </Tooltip>
      </p>
    </div>
  );
}
05

Join the discussion

Discussion (0)

Sign in to join the discussion.

No responses yet. Be the first to share what you think.

Transmission complete // awaiting log

KEEP THE
STREAK ALIVE.

Dossier 60 of 87 decoded in the Frontend Machine Coding track. One more won't hurt.

Back to track