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 JavaScript Basics (Retired) Working With Numbers Using Math Methods

how do you math round a variable

everything I've tried according to the instructions doesn't work.

script.js
var  temperature = 37.5 Math.round();
index.html
<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>JavaScript Basics</title>
</head>
<body>
<script src="script.js"></script>
</body>
</html>

2 Answers

Eduardo Valencia
Eduardo Valencia
12,444 Points

Hi. You have to put 37.5 inside of the Math.round() parentheses, like this: Math.round(37.5). This is because the method needs to know what number you want to round. To do that, you have to put the number inside of the parentheses.

I tried that? it still thinks i'm using the alert command