Introduction to JavaScript: First Steps/

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Return Statements

Return Statements

Learn the last powerful part of functions. The return statement allows a function to send information back out. With this final tool, we can master the full power of functions.

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Introduction

There’s one more powerful feature of functions. The return statement. In addition to accepting values in through arguments, a function can send something back out.

Here’s how that works.

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function add10(number) {
    let newNumber = number + 10;
    return newNumber;
}
let fifteen = add10(5);
console.log(fifteen); // -> 15

Breakdown

We give add10 a value of 5 when we call it. Inside the function, a new variable newNumber is created, which is equal to what was passed in plus 10.

We then return newNumber ...