Documentation

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Getting Started

Installation, basic usage, and your first diff comparison.
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API Reference

Complete API documentation for all diff functions.
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Examples

Real-world usage examples and common patterns.
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Quick Start

Get up and running with JSDiff in under 5 minutes.

// Install
npm install diff

// Import
import * as Diff from 'diff';

// Compare
const diff = Diff.diffChars('old text', 'new text');
console.log(diff);

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Supported Diff Types

  • diffChars - Character by character comparison
  • diffWords - Word by word comparison
  • diffLines - Line by line comparison
  • diffJson - JSON object comparison
  • createPatch - Generate unified diff patches
  • applyPatch - Apply patches to text

View API reference β†’