Learn Basic Debugging by Building a Random Background Color Changer - Step 3

JavaScript
1

Tell us what’s happening:

You should round darkColorsArr.length * Math.random() down to the nearest whole number.

Your code so far

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Build a random background color changer</title>
    <link rel="stylesheet" href="./styles.css" />
  </head>
  <body>
    <h1>Random Background Color changer</h1>

    <main>
      <section class="bg-information-container">
        <p>Hex Code: <span id="bg-hex-code">#110815</span></p>
      </section>

      <button class="btn" id="btn">Change Background Color</button>
    </main>
    <script src="./script.js"></script>
  </body>
</html>

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

:root {
  --yellow: #f1be32;
  --golden-yellow: #feac32;
  --dark-purple: #110815;
  --light-grey: #efefef;
}

body {
  background-color: var(--dark-purple);
  color: var(--light-grey);
  text-align: center;
}

.bg-information-container {
  margin: 15px 0 25px;
  font-size: 1.2rem;
}

.btn {
  cursor: pointer;
  padding: 10px;
  margin: 10px;
  color: var(--dark-purple);
  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);
}


/* file: script.js */
const darkColorsArr = [
  "#2C3E50",
  "#34495E",
  "#2C2C2C",
  "#616A6B",
  "#4A235A",
  "#2F4F4F",
  "#0E4B5A",
  "#36454F",
  "#2C3E50",
  "#800020",
];

// User Editable Region

function getRandomIndex() {
  console.log(Math.floor(Math.random() * 10));
}
getRandomIndex();

// User Editable Region

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Challenge Information:

Learn Basic Debugging by Building a Random Background Color Changer - Step 3

2

Please Tell us what’s happening in your own words.

Learning to describe problems is hard, but it is an important part of learning how to code.

Also, the more you say, the more we can help!

3

You have the right idea, but you have hard coded the array length and flipped the seed code. I suggest resetting this step to try again.