Wayne Myers

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I have the for-purchase digital version of the book, including quizzes and exercises. Unfortunately the Numbers (advanced) quiz at the end of this chapter is missing.

28.5.6 states: `Object.values()` _lists the values of all enumerable properties of an object_ This follows discussion of how property keys can be either strings or symbols, and either enumerable or...

Update: I have the 2019 print book but the 2020 ebook - the issue raised in the comment above seems to persist in 28.6.6 and 28.6.7 of the newer version.

Secret bonus exercise not mentioned in text? If that was intentional, I will happily delete this comment.

Typo in line 6 of ```remove_empty_lines_push_test.mjs``` You have ```– Similar: remove_empty_lines_push_test.mjs``` Should be ```– Similar: remove_empty_lines_filter_test.mjs```

33.1.2 states, regarding a copy of a Map using the constructor, "That copy is _shallow_: keys and values are the same; they are not duplicated." This implies copy by reference...

I don't know what the criteria are for adding tests, so I'm not sure how to answer here. It's absolutely true that the suggested step 1 test above would catch...

Thank you! That would certainly take the pain out of making a tree-sitter version: having to write a tree-sitter grammar first before going ahead with the syntax highlighter was why...

Not at all, no need to apologise. Thank you for pointing out the ambiguity - if I have been struggling to write anything useful in Mal, it is in part...