cs2010 Notes: 20 Functions on Objects, Lists

Number

Is the number even?
Given two numbers, return the larger one.
Given three numbers, return the largest one.

List of Number

Find the largest number in the list.
Find all even numbers in the list.
Find the largest even number in the list, or return null.

A Car is {tankSize, milesPerGallon}

Write a function that takes two cars and returns the one with the better milage.
Write a function to calculate range

List of Car

Calculate the total tank size in a list of car.
Find the best range in a list of car.
Find the car with the best range in a list of car.

HTML:

<!doctype html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>Simple Functions</title>
  </head>
  <body style="text-align: center; margin: 4em">

    <div style="border: thin solid black; padding: 2em">
      <h1>Example 1</h1>
      <p><input type="number" id="input-1"></p>
      <p id="output-1">out-1</p>
      <p><button id="btn-1">Example 1</button></p>
    </div>

    <script src="./app.js">
    </script>
  </body>
</html>

app.js

function fun1(xx) {
  return xx + 2;
}

function click1() {
  let input = document.getElementById('input-1');
  let output = document.getElementById('output-1');
  let xx = parseInt(input.value);
  let yy = fun1(xx);
  output.innerText = yy;
}

document.getElementById('btn-1').addEventListener('click', click1);