mediumMachine Coding

Build a Tooltip

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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.

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03

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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>
  );
}
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