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

Ileana Dell'Unti
Ileana Dell'Unti
2,282 Points
Posted by Ileana Dell'Unti
Ileana Dell'Unti
2,282 Points

I don't understand the challenge

is it because of my english?

script.js 
var temperature = 37.5
alert (Math.round (temperature));
var temperature = 37.4
alert (Math.round (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>

2 Answers

Merritt Lawrenson
Merritt Lawrenson
13,477 Points
Merritt Lawrenson
Merritt Lawrenson
13,477 Points

You're close. The first part is right, but for part two you want to round down. There are three different rounding methods: round() rounds to the nearest whole number like in math class, floor() rounds down, and ceil() rounds up.

Since you want it down, you need to use floor. For example, 99.9 rounds to 100, but if you used floor, it rounds down to 99, no matter how close to 100 you are.

Joshua Edwards
Joshua Edwards
52,175 Points
Joshua Edwards
Joshua Edwards
52,175 Points

For part two you want to use the floor method of Math not the round method.