When you first land a job as a web developer, the feeling is intoxicating. You’ve built a React app. You’ve wired up an Express server. You can map , filter , and reduce an array without looking at the docs. You think to yourself: "I know JavaScript."
You Don’t Know JS Yet (YDKJSY) is the second edition of the famous book series by Kyle Simpson you don 39-t know js yet
Web developers boast about not knowing this . They laugh about NaN !== NaN . They treat [1,2,3].map(parseInt) as a haha-funny-trick instead of a glaring gap in their foundational knowledge. When you first land a job as a