Functions with Return Values

Scratch the surface of computer coding. A seven-unit lesson guide provides a crash course on computer programming. It uses a programming language called Scratch.

The next step in your class's development as young programmers is learning to define and use a simple function in JavaScript code. Younger students may require some additional explanations to help highlight the importance of functions....

Functions that do calculations usually need to return a value. In this video, a function calculates and returns the total number of donuts eaten based on the years someone has been alive. Hopefully, your charges will have eaten much less...

Learn how functions in coding are even more helpful when you can pass parameters to them. The author shows how to modify a simple JavaScript function to have two parameters that help you position a repeated drawing to the correct place...

Young coders learn how to use a function to create objects with similar properties and to allow for the creation of objects repeatedly with a short video that makes the point that coding with a function eliminates repetitions.

This video shows young programmers how to use the same concept to duplicate objects with different properties and attach functions to them. This method allows functions to be easily called with various objects.

Move the moles to the holes in this simple coding exercise on using parameters in function calls. The task is broken down for you and the function that draws the mole is already provided. Your job is to add JavaScript code to call the...

Draw a rainbow over the rainbow. The second segment in a series of six has the class practice using functions to edit a program that draws a rainbow. After creating the function, the interactive lesson challenges pupils to create another...

Let the sun shine as your young coders move the clouds across the sky while practicing animation coding skills in JavaScript. Younger learners may benefit from more guided help or a whole-class discussion before trying this coding...

Introduce your class to the API, a reference guide that lists and explains the functionality of programming language. Using JavaScript, individuals draw complex designs that require additional commands and parameters defined in the...