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easyMachine Coding

Build an Avatar Group

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01

Understand the problem

Build a stacked avatar group with a +N overflow badge.

ReactUIAvatars
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

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Building an Avatar Group in React

Mental model: An avatar group shows the first N avatars overlapping, then a "+X" bubble for the rest. The logic is pure slicing: visible = users.slice(0, max) and overflow = users.length - max. Overlap is just negative margin plus a ring so edges read clearly.

Step 1 —

Solution ready — 2 min read

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04

React solution

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

const users = [
  { id: 1, name: 'Ada Lovelace' },
  { id: 2, name: 'Alan Turing' },
  { id: 3, name: 'Grace Hopper' },
  { id: 4, name: 'Linus Torvalds' },
  { id: 5, name: 'Margaret Hamilton' },
  { id: 6, name: 'Dennis Ritchie' },
];

export default function App() {
  return (
    <div style={{ fontFamily: 'sans-serif', padding: 20 }}>
      <h1>Avatar Group Demo</h1>
      <AvatarGroup users={users} max={4} />
    </div>
  );
}
05

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Transmission complete // awaiting log

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Dossier 2 of 87 decoded in the Frontend Machine Coding track. One more won't hurt.

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