Learn Intermediate OOP by Building a Platformer Game - Step 6

Tell us what’s happening:

Hello, can I get a hint?

I’ve tried:

canvas.width = innerWidth
canvas.width.innerWidth = ‘0’
canvas.width.innerWidth = 0

Your code so far

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Learn Intermediate OOP by Building a Platformer Game</title>
    <link rel="stylesheet" href="./styles.css" />
    <div class="start-screen">
      <h1 class="main-title">freeCodeCamp Code Warrior</h1>
      <p class="instructions">
        Help the main player navigate to the yellow checkpoints.
      <p class="instructions">
        Use the keyboard arrows to move the player around.
      <p class="instructions">You can also use the spacebar to jump.</p>

      <div class="btn-container">
        <button class="btn" id="start-btn">Start Game</button>

    <div class="checkpoint-screen">
      <p>You reached the last checkpoint.</p>

    <canvas id="canvas"></canvas>

    <script src="./script.js"></script>

/* file: styles.css */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;

:root {
  --main-bg-color: #0a0a23;
  --section-bg-color: #ffffff;
  --golden-yellow: #feac32;

body {
  background-color: var(--main-bg-color);

.start-screen {
  background-color: var(--section-bg-color);
  width: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%);
  border-radius: 30px;
  padding: 20px;
  padding-bottom: 5px;

.main-title {
  text-align: center;

.instructions {
  text-align: center;
  font-size: 1.2rem;
  margin: 15px;
  line-height: 2rem;

.btn {
  cursor: pointer;
  width: 100px;
  margin: 10px;
  color: #0a0a23;
  font-size: 18px;
  background-color: var(--golden-yellow);
  background-image: linear-gradient(#fecc4c, #ffac33);
  border-color: var(--golden-yellow);
  border-width: 3px;

.btn:hover {
  background-image: linear-gradient(#ffcc4c, #f89808);

.btn-container {
  display: flex;
  align-items: center;
  justify-content: center;

.checkpoint-screen {
  position: absolute;
  left: 0;
  right: 0;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  text-align: center;
  background-color: var(--section-bg-color);
  border-radius: 20px;
  padding: 10px;
  display: none;

#canvas {
  display: none;

@media (min-width: 768px) {
  .start-screen {
    width: 60%;
    max-width: 700px;

  .checkpoint-screen {
    max-width: 300px;

/* file: script.js */
const startBtn = document.getElementById("start-btn");
const canvas = document.getElementById("canvas");
const startScreen = document.querySelector(".start-screen");
const checkpointScreen = document.querySelector(".checkpoint-screen");
const checkpointMessage = document.querySelector(".checkpoint-screen > p");
const ctx = canvas.getContext("2d");

// User Editable Region


// User Editable Region

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Safari/605.1.15

Challenge Information:

Learn Intermediate OOP by Building a Platformer Game - Step 6

The good news is that one of your attempts is actually correct. Remember that assignment uses the = symbol, as you are assigning a value to something.