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The latest version of the book is B3.0, released about 1 month ago. If you've bought a PDF of the book and would like to update it to this version (for free), visit your home page.

By default this page displays the errata for the latest version of the book. If you have a previous version, select it here:

If you've found a new error, please submit it.

  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: B3.0 (21-Jan-19)
PDF page: 11
I think the "lineary" was supposed to be "linear". "Your WebAssembly module can grow the lineary memory block in increments called pages of 64KB i...more...
  • Reported in: B3.0 (21-Jan-19)
PDF page: 20

I think it should be "assigning meaning to"

"Bit flags is a technique for assigning meaning individual bits within a number."--Joey Hain

  • Reported in: B2.0 (26-Dec-18)
PDF page: 62
Source snippets can come with line numbers and syntax highlighting - there are online libraries that can do this in html, maybe use one of them in the...more...
  • Reported in: B3.0 (19-Feb-19)
PDF page: 73
For those, like me, who don't know js/node/npm at all, it would be great to add the instructions for installing webpack, webpack-dev-server and html-w...more...
  • Reported in: B2.0 (28-Dec-18)
  • Fixed: 22-Jan-19, awaiting book release
PDF page: 94
Need to add the copyright headers for the linked raw source code in each green background line. This is for all the files in this whole chapter - not ...more...