Arrow Functions: Exercises

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Follow the exercises in the online Lesson: Arrow Functions

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Exercise 10.1: Displaying a message

Rewrite the anonymous function that displays a short message as an arrow function. Verify that the arrow function is not hoisted by calling the function before creating it.

Exercise 10.2: Joining two strings

Rewrite the anonymous declaration that joins the two strings as an arrow function.

Exercise 10.3: Pass an argument when calling a function

Rewrite the anonymous function that passes a number as an arrow function.

Exercise 10.4: Return a value from a called function

Rewrite the anonymous function that calls a random number generator function as an anonymous function.

Exercise 10.5: Create an immediately invoked function

Copy the function in exercise 10-1, rename it, and re-write it as an immediately invoked arrow function.

See solution ->