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easyMachine Coding

Build a Typewriter Effect

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01

Understand the problem

Build text that types and deletes in a loop.

ReactTimersAnimation
02

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Building a Typewriter Effect in React

Mental model: A small state machine that grows then shrinks the visible substring of the current phrase. State: the phrase index, the current character count, and whether we're deleting. Each timed step adjusts the count by ±1; at the ends you flip phase (pause, then delete

Solution ready — 2 min read

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04

React solution

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import React from 'react';
import Typewriter from './src/Typewriter';

export default function App() {
  return (
    <div style={{ fontFamily: 'sans-serif', padding: 20 }}>
      <h1>Typewriter Demo</h1>
      <div style={{ fontSize: 24 }}>
        I love{' '}
        <Typewriter phrases={['React', 'Vue', 'Angular', 'TypeScript']} />
      </div>
    </div>
  );
}
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Transmission complete // awaiting log

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Dossier 12 of 87 decoded in the Frontend Machine Coding track. One more won't hurt.

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