本课内容目前为英文。
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.
本课内容目前为英文。
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.