5 JavaScript interview questions What is NaN? How to check if a value is NaN? What does the || o...

preview_player
Показать описание
5 JavaScript interview questions

What is NaN?
How to check if a value is NaN?
What does the || operator do?
Why are functions called First-class Objects?
What does the !! operator do?
.
.
.
#PythonProgramming #CodeWithMe #LearnPython #CodingTips #TechTutorials #Programming101 #CodeNewbie #PythonForBeginners #DevLife #CodeExplained #CodingJourney #TechTalks #PythonProjects #CodeMentor #ProgrammersUnite
.
.
.
Follow me at @codinglanguages
Рекомендации по теме
Комментарии
Автор

Not a nulber

function isNaN()

the function OR
if a is true or b is true then true

no idea

convert to bool

(not rly but it converts to bool and nots it with the first bang and inverts it again to get back original value with second one)

Laynord
join shbcf.ru