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

Michael Lawinger
Michael Lawinger
33,581 Points
Posted by Michael Lawinger
Michael Lawinger
33,581 Points

Do... While Loop Logic

I'm struggling with this question: This is the code we used in the last code challenge. After learning about do...while loops, don't you think this would work better in the do...while style? Re-write the code to use a do...while loop.

script.js 
var secret = prompt("What is the secret password?");
do {
  secret();
}
while ( secret !== "sesame" ) {
  secret = prompt("What is the secret password?");    
}
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

Steven Parker
Steven Parker
229,708 Points
Steven Parker
Steven Parker
229,708 Points

Struggling with form or application?

You didn't say if you were having trouble with what the form of the loop would look like, or how to apply it to this situation. But I'll guess that it's the latter, since syntax guides are easily found online like at this MDN page.

So here's some hints about how you might apply the do...while to this situation:

  • remember the loop has only one code block, it goes between do and while
  • the same assignment made in the original loop block can be made in the block here
  • but instead of declaring the variable with the assignment, declare it before the loop
  • the only call to propmt will be inside the loop block