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JavaScript JavaScript Basics (Retired) Working With Numbers Using Math Methods

Posted by Matt Bloomer
Matt Bloomer
10,608 Points

wrong

Why is this wrong?

script.js 
var temperature = 37.5
temperature = Math.round (temperature);
alert(temperature);
alert(Math.floor(temperature));
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>
Kofi Owusu Acheampong
Kofi Owusu Acheampong
20,320 Points

what is the error message? also check your semi-colons

1 Answer

L B
L B
28,323 Points
L B
L B
28,323 Points

You are changing the value of the original temperature by doing:

temperature = Math.round (temperature);

So, you are actually trying to do Math.floor(38) but it should be Math.floor(37.5) Instead the answer is simply:

alert(Math.round(temperature));
alert(Math.floor(temperature));