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) Making Decisions with Conditional Statements Using Comparison Operators

Posted by Vy Nguyen
Vy Nguyen
4,350 Points

How does this work

How does this work

script.js 
var a = 10;
if (var a > 20 ){
alert("a is greater than b");
} else {
  alert("a is not greater than b");
        }
var b = 20;
var c = 30;
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>

1 Answer

Zack Lee
PLUS
Zack Lee
Courses Plus Student 17,662 Points
Zack Lee
Zack Lee
Courses Plus Student 17,662 Points

you need to place 'b' in place of the 20 in your if statement, also remove the 'var' keyword from your if statement. you also need to move the if statement to the bottom of your code, since it runs in sequential order, the if statement needs to come after the value 'b' is declared.