1. Beginner 2. Explorer I 3. Explorer II 4. Builder I 5. Builder II 6. Extender 7. Designer I 8. Designer II 9. Leader

3. Explorer II

12 classes for JavaScript

Students use the computational thinking skills of Decomposition and Algorithm Design to plan and execute a solution for an intermediate programming challenge. Students also gain a deeper understanding of fundamental programming concepts as well as more advanced concepts like operators and functions.

Choose a project platform to view the Explorer II-level progression in more detail

Scratch Roblox JavaScript

L3.1. Achieve 80% Independence From Code Support

10 classes

We'll assess your progress in this level during class

Complete project walkthroughs using less than 20% of available code hints and minimal instructor support

L3.2. Intermediate JavaScript Programming Knowledge

2 classes

When you're ready, please set up a time with your instructor to take an assessment for this level

Answer the following questions about core programming concepts in JavaScript:

What is dot notation in programming?
In the line
```
Math.random() * 100;
```
explain what the Math, the .random() and the * 100 does in the code.
Explain what's happening in this line of code
```
var counter = 0;
```
Explain what's happening in this line of code
```
var counter = counter + 1;
```

Explain what's happening in this block of code

document.addEventListener('click', function(){
  alert('Clicked');
})

Explain what's happening in this line of code

var heading = document.querySelector('h1');

Explain what's happening in this block of code

var counter = 0;
document.addEventListener('click', function(event){
  event.preventDefault();
  if (event.target.matches('button')) {
    counter = counter + 1;
    if (counter > 21) {
      alert('You lose!');
    }
  }
})

Complete an intermediate-level JavaScript challenge using all the above concepts