The Author Online Book Forums are Moving

The Author Online Book Forums will soon redirect to Manning's liveBook and liveVideo. All book forum content will migrate to liveBook's discussion forum and all video forum content will migrate to liveVideo. Log in to liveBook or liveVideo with your Manning credentials to join the discussion!

Thank you for your engagement in the AoF over the years! We look forward to offering you a more enhanced forum experience.

Daniel Kay (7) [Avatar] Offline
#1
Hey,
on page 254 the listing 9.9 tests Array.prototype.find returns undefined if nothing was found. Later on the same page I find the incorrect statement, that null is returned if nothing was found.

Best regards,
Daniel Kay
Josip Maras (30) [Avatar] Offline
#2
Yes, that's a mistake, it should be undefined.

Thank you, we'll fix it.

Josip