Program Flow: Functions

Making Our Programs Modular

Now that you have an understanding of the basic data types and operations, we should try to make our programs a little more interesting. We will do this by manipulating the way in which the Javascript program executes. One way we can accomplish this is through the use of functions.

Functions #

Functions allow us to repeat tasks that involve a similar sequence of steps. You’ve already seen the console.log() function, which allows us to predictably log some output to the console.

Let’s look at an example of a function definition that finds the sum of two numbers:

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