Is JavaScript The Definitive Guide 6e update-able from the 5e?

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  • Hi David,

    Thanks for your interest in the new edition of JavaScript: The Definitive Guide. If you have a previous edition of the ebook or you've registered a previous edition of the print book, you should see a offers on Your Products page for discounts on the newest edition.

    The free ebook updates we offer are for corrections and additions to a specific edition of an ebook, and then we offer these discount offers for when you want to move to a new edition.

    If you would like to register a previous edition, you can register it at

    Let us know if you have any questions.

    Have a great day!

    Rachel James
    O'Reilly Media
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