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The latest version of the book is P1.0, released 7 months 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.

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  • Typo
  • Tech. error
  • Suggestion
  • Maybe next edition
  • Not a problem
  • Reported in: P1.0 (24-Dec-18)
PDF page: 27
Paper page: 8
When I run the code in the browser, outer calls inner. Because "i" isn't set as "const" or "let", it becomes a global variable. The book says that ...more...
  • Reported in: P1.0 (09-Aug-18)
PDF page: 57

"To retrieve date, use the get() method". Should be data instead of date.--Sebastian Rabuini

  • Reported in: P1.0 (09-Aug-18)
PDF page: 71

"This all means means"--Sebastian Rabuini

  • Reported in: B5.0 (08-Jun-18)
PDF page: 186
Paper page: 175
Last sentence of second paragraph begins "A code that returns a promise". In the context of programming, "code" is an uncountable noun; it should just...more...
  • Reported in: B5.0 (08-Jun-18)
PDF page: 197
Paper page: 186

Second paragraph, first sentence: "The all() static method of promise".. that should be "Promise" styled as a class name.--Mark J. Reed