Course Review

Congratulations! You've finished the course and have mastered the beginning concepts. We've covered a lot of material, and now it's time for two final practice exercises where you will see how to use JavaScript to solve real-world problems. The first exercise reviews "assignment", "declaration", and "conditional statements" like if/else and switch, and "comparison" and "logical" operators using interactive examples.

Final Practice Exercise Review

A Real Example

To understand this syntax better, let's consider a real example. Imagine a child being asked for help with a chore by their mother or father. The parent might say "Hey sweetheart! If you help me by going and doing the shopping, I'll give you some extra allowance so you can afford that toy you wanted." In JavaScript, we could represent this like so:

let shoppingDone = false;
  let childsAllowance;
 
 if (shoppingDone === true) { childsAllowance = 10;
  } else {childsAllowance = 5;
  } 
         
    

This code as shown always results in the shoppingDone variable returning false, meaning disappointment for our poor child. It'd be up to us to provide a mechanism for the parent to set the shoppingDone variable to true if the child did the shopping.

Note: You can see a more complete version of this example (also see it running live.)