Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript Treehouse Club - MASH MASH - JavaScript The Structure of Functions - Part 3 of 3

Johannes Bambang Wirawan
Johannes Bambang Wirawan
1,970 Points
Posted by Johannes Bambang Wirawan
Johannes Bambang Wirawan
1,970 Points

There was an error with your code: ReferenceError: Can't find variable: age. How do I solve this problem?

function random_age(age) {Math.floor(Math.random(age) * age); } random_age(age);

script.js 
function random_age(age) {
  Math.floor(Math.random(age) * age);
}
random_age(age);
index.html 
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Futuristic MASH</title>
    <link href="normalize.css" rel="stylesheet">
    <link href="style.css" rel="stylesheet">
  </head>
  <body>
    <h1 class="logo"><img src="img/mash-logo.svg" /></h1>
    <p class="instructions">Fill in the blanks and your future will be foretold.</p>
    <form action="" method="post" id="mash">
      <div class="choice-bucket">
        <h4 class="highlight">What's your future pet?</h4>
        <input name="pet[]">
        <input name="pet[]">
        <input name="pet[]">
        <input name="pet[]">
      </div>
      <input type="submit" value="Tell my fortune">
    </form>

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

  </body>
</html>

1 Answer

Jason Anello
Jason Anello
Courses Plus Student 94,610 Points

Hi Johannes,

The challenge is asking you to pass a number into the function where you've put "age".

So all you have to do is put an actual number in between the parentheses.