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Using the HTML5 Filesystem API. A True Filesystem for the Browser - Helion

Using the HTML5 Filesystem API. A True Filesystem for the Browser
ebook
Autor: Eric Bidelman
ISBN: 978-14-493-1548-1
stron: 76, Format: ebook
Data wydania: 2011-07-22
Księgarnia: Helion

Cena książki: 72,24 zł (poprzednio: 84,99 zł)
Oszczędzasz: 15% (-12,75 zł)

Dodaj do koszyka Using the HTML5 Filesystem API. A True Filesystem for the Browser

Tagi: API | HTML i XHTML - Programowanie

Several client-side storage options are available to web applications, but one area that's been lacking until now is file I/O—the ability to organize binary data into a true hierarchy of folders. That has changed with the advent of HTML5. With this book, you'll learn how to provide your applications with a file system that enables them to create, read, and write files and folders in a sandboxed section of the user's local filesystem.

Author Eric Bidelman, a Senior Developer Programs Engineer on the Google Chrome team, provides several techniques and complete code examples for working with the HTML5 Filesystem API.

  • Learn common operations for working with files and directories
  • Become familiar with HTML5's storage use cases and security considerations
  • Understand the storage options available, including temporary, persistent, and unlimited
  • Write text or append data to an existing user file
  • Import files into your application by accessing a user's hard drive
  • Get techniques for using a file with filesystem, blob, or data URLs
  • Use the synchronous version of the HTML5 Filesystem API within a Web Worker context

Dodaj do koszyka Using the HTML5 Filesystem API. A True Filesystem for the Browser

 

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Spis treści

Using the HTML5 Filesystem API. A True Filesystem for the Browser eBook -- spis treści

  • Using the HTML5 Filesystem API
    • SPECIAL OFFER: Upgrade this ebook with OReilly
    • Preface
      • Conventions Used in This Book
      • Using Code Examples
      • Safari Books Online
      • How to Contact Us
    • 1. Introduction
      • Use Cases
      • Security Considerations
      • Browser Support
        • A Cautionary Tale
    • 2. Storage and Quota
      • Storage Types
        • Temporary Storage
        • Persistent Storage
        • Unlimited Storage
      • Quota Management API
        • Requesting More Storage
        • Checking Current Usage
    • 3. Getting Started
      • Opening a Filesystem
      • Handling Errors
    • 4. Working with Files
      • The FileEntry
      • Creating a File
      • Reading a File by Name
      • Writing to a File
        • Appending Data to a File
      • Importing Files
        • Using <input type=file>
        • Using HTML5 Drag and Drop
        • Using XMLHttpRequest
        • Using Copy and Paste
      • Removing Files
    • 5. Working with Directories
      • The DirectoryEntry
      • Creating Directories
        • Subdirectories
      • Reading the Contents of a Directory
      • Removing Directories
        • Recursively Removing a Directory
    • 6. Copying, Renaming, and Moving Entries
      • Copying a File or Directory
      • Moving a File or Directory
      • Renaming a File or Directory
    • 7. Using Files
      • Filesystem URLs
        • Summary
      • Blob URLs
        • Summary
      • Data URLs
        • Summary
    • 8. The Synchronous API
      • Introduction
      • Opening a Filesystem
      • Working with Files and Directories
      • Handling Errors
      • Examples
        • Fetching All Entries in the Filesystem
        • Downloading Files Using XHR2
    • About the Author
    • Colophon
    • SPECIAL OFFER: Upgrade this ebook with OReilly

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