you can see the differences on github: https://github.com/marijnh/Eloquent-JavaScript/compare/3rd_edition...master https://github.com/marijnh/Eloquent-JavaScrip

you can see the differences on github: https://github.com/marijnh/Eloquent-JavaScript/compare/3rd_edition...master https://github.com/marijnh/Eloquent-JavaScript/compare/3rd_e... From a quick browse: - # for private properties - ESM imports in node - hasOwnProperty -> hasOwn (TIL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwn https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...) - Math.pow -> ** - coverage of `function*` generators (https://eloquentjavascript.net/11_async.html#h-o+cFzGGhnz https://eloquentjavascript.net/11_async.html#h-o+cFzGGhnz)