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The latest version of the book is P1.0, released almost 5 years 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: P1.0 (20-Sep-15)
PDF page: 0
Paper page: 0
if strikes >= 3 then out() </Code> <p> CoffeeScript also allows <firstuse>postfix conditionals</firstuse>, such as </p> <code language="coffeesc...more...
  • Reported in: P1.0 (14-Jul-15)
Paper page: 9
At the very bottom of the printed page 9, the last 9 lines seem to have the formatting get away from you. There really shouldn't be any HTML visible ...more...
  • Reported in: P1.0 (25-Jul-15)
Paper page: 70

In two places on page 70 filenames (# strings.js and # main.js) failed to format as a gray bar background.--Brian McMillin