このレッスンは、現在英語のみです。
What kind of value is it?
A username is text, a score is a number, and is online is a yes or a no. JavaScript tracks the type of every value, and knowing it saves you from strange bugs.
このレッスンは、現在英語のみです。
A username is text, a score is a number, and is online is a yes or a no. JavaScript tracks the type of every value, and knowing it saves you from strange bugs.