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hardMachine Coding

Build a basic Rich Text Editor

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01

Understand the problem

Build a text editor with bold, italic, underline and lists.

ReactEditorContentEditable
02

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Nudge consolestandby

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03

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Building a Basic Rich Text Editor in React

Mental model: A contentEditable div is the editable surface; a toolbar issues formatting commands against the current selection. The simplest cross-browser path is document.execCommand('bold' | 'italic' | …). Use onMouseDown + preventDefault on toolbar buttons

Solution ready — 2 min read

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04

React solution

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

export default function App() {
  return (
    <div style={{ fontFamily: 'sans-serif', padding: 20 }}>
      <h1>Rich Text Editor Demo</h1>
      <RichTextEditor />
    </div>
  );
}
05

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Transmission complete // awaiting log

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Dossier 86 of 87 decoded in the Frontend Machine Coding track. One more won't hurt.

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