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 Loops, Arrays and Objects Simplify Repetitive Tasks with Loops Create a `do...while` loop

Amy Hsieh
Amy Hsieh
6,023 Points

do..while loop in Javascript. Something wrong with my code.

My first challenge of Javascript do-while loop. I got blocked. Anyone can tell me where the mistake is?

script.js
var secret;

    do { 
     var secret = prompt("What is the secret password?");
     if (secret === "sesame") {
     document.write("You know the secret password. Welcome.");
     } 
     }
while ( secret!== "sesame") 
index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JavaScript Loops</title>
</head>
<body>
<script src="script.js"></script>
</body>
</html>

1 Answer

Jonathan Grieve
MOD
Jonathan Grieve
Treehouse Moderator 91,252 Points

There's a few things to note here. Try removing the var keyword from inside your do block. You don't need to redeclare the key var` keyword after you've defined it globally.

Also you don't need to do an if condition since a condition is already being checked in your while block. :-) Take out the success statement inside it so it's the last line in your code.

Good luck! :-)