An icon of a desk calendar. An icon of a circle with a diagonal line across. An icon of a block arrow pointing to the right. An icon of a paper envelope. An icon of the Facebook "f" mark.

Note that here we use the arrow notation to indicate what the passed function returns, not a colon as we do the main function signature. The key to moving an existing JavaScript project to ...

A magnifying glass icon that is used to represent the function of searching. An icon of 3 horizontal lines. An icon used to represent a collapsed menu. An icon of an arrow pointing to the right.