Axel Rauschmayer

@wgmyers Good catch! `Object.keys()`, `Object.values()` and `Object.entries()` ignore properties whose keys are symbols. The next edition will explain this properly.

@vsemozhetbyt * Fixed now: Given how widely `Object.fromEntries()` is now, I’m not mentioning the polyfill anymore. * Fixed in next edition: `'(no name)'` in description

@eeror Good point. The next release will mention this.

@VenkateswaraT See the warning at the end of this section: https://exploringjs.com/impatient-js/ch_console.html#trying-out-code Quote: > **Consoles often run in non-strict mode** > > In modern JavaScript, most code (e.g., modules) is executed...

@srcdes: BigInt is an ES2020 feature. It’ll be covered in the next edition. This is a preview of that content: https://2ality.com/2017/03/es-integer.html

@Jamoverjelly The book is correct, but the explanation is too short and easy to misunderstand. The next release will have a longer explanation: `parseInt()` first coerces the number to a...

@pbowyer That’s a very good point. Alas, finding a good example is difficult in this case: Even your additional line works the same with objects (if we compare them deeply/by...

@AndiPersti Thanks! Fixed in next release.

@da-moo Good catch; will be fixed in the next release.

@AndiPersti 👍 Fixed in next release.