Mục lục

  • Table of Contents

  • Preface

    • The Internet Evolves

    • Why Optimization Is Necessary

    • Next-Generation JavaScript Engines

    • Performance Is Still a Concern

    • How This Book Is Organized

    • JavaScript Loading

    • Coding Technique

    • Deployment

    • Testing

    • Who This Book Is For

    • Conventions Used in This Book

    • Using Code Examples

    • Safari® Books Online

    • How to Contact Us

    • Acknowledgments

    • Chapter 1. Loading and Execution

      • Script Positioning

      • Grouping Scripts

      • Nonblocking Scripts

        • Deferred Scripts

        • Dynamic Script Elements

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