Course Content

Introduction to JavaScript

1. JavaScript Fundamentals

About JavaScript Understanding JavaScript Syntax Challenge: Console Output in JavaScript Using Comments to Document Code Challenge: Write a Single-Line Comment Challenge: Write a Multi-Line Comment

2. Variables and Data Types in JavaScript

Understanding Variables in JavaScript Challenge: Define the Variable Using const for Constants Exploring JavaScript Data Types Working with null in JavaScript Introduction to Arrays Array Methods and Manipulation Challenge: Perform Array Operations

3. Performing Operations in JavaScript

Understanding Assignment Operators Mathematical Operations in JavaScript Assignment Operators in JavaScript Increment and Decrement Operators Challenge: Variable Operations Practice Comparison Operators in JavaScript Logical Operators Explained Challenge: Compare Variables in JavaScript Concatenating Strings in JavaScript Challenge: Build Sentences with JavaScript

4. Controlling Program Flow with Conditional Statements

Mastering if Statements in JavaScript Using else for Alternative Outcomes Applying else if for Multiple Conditions Challenge: Determine Sizes with Conditionals

5. Looping Through Data in JavaScript

Understanding the while Loop in JavaScript Using the do while Loop for Iteration Challenge: Print Numbers from 5 to 9 Mastering the for Loop in JavaScript Challenge: Console Tigers with Loops Breaking Out of Loops with break Skipping Iterations with continue Challenge: Stop and Skip in Loops

6. Functions in JavaScript

What Are Functions in JavaScript?Defining Functions in JavaScript Challenge: Write a Function – My Name Using Function Arguments Effectively Returning Values from Functions Challenge: Create a Sum Function Course Summary & Next Steps

Challenge: Create a Sum Function

Task

Implement a function sum that takes three arguments (a, b, and c) and returns their sum.

Next, call this function twice, using the following sets of arguments:

Use 24, 12, and 32 for the first function call and store the result in the variable sum1.
Use 12, 42, and 5 for the second function call and store the result in the variable sum2.

Finally, print the results of both function calls.


              123456789
            
function sum(___, ___, ___) {
  ___ a + b + c;
};

let sum1 = ___(___, ___, ___);
let sum2 = ___(___, ___, ___);

console.log("sum1 =", ___);
console.log("sum2 =", ___);

The output should be:

python

Use the return keyword inside the function body.
Use the function name to call this function.
Choose values yourself.


              123456789
            
function sum(a, b, c) {
  return a + b + c;
}

let sum1 = sum(24, 12, 32);
let sum2 = sum(12, 42, 5);

console.log("sum1 =", sum1);
console.log("sum2 =", sum2);

Everything was clear?

Thanks for your feedback!

Section 6. Chapter 6