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

Manveer Sandhu
PLUS
Manveer Sandhu
Courses Plus Student 1,389 Points
Posted by Manveer Sandhu
Manveer Sandhu
Courses Plus Student 1,389 Points

math method

Open an alert dialog a second time and display the temperature variable rounded downward to the nearest integer. You'll need to check the Mozilla Developer Network to find the proper Math method for this (hint: down is toward the "floor".)

script.js 
var temperature = 37.5;
alert(Math.float(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>

5 Answers

Matthew Long
Matthew Long
28,407 Points
Matthew Long
Matthew Long
28,407 Points

The Math method you're looking for is Math.floor().

I don't believe there is a Math.float() method, but you'd have to check MDN or something for that. Maybe what you were thinking of is parseFloat() which parses a value and returns a float.

Also, don't forget about step one in this code challenge. You will need two alerts.

Gonzalo Torres del Fierro
PLUS
Gonzalo Torres del Fierro
Courses Plus Student 16,751 Points
Gonzalo Torres del Fierro
Gonzalo Torres del Fierro
Courses Plus Student 16,751 Points

var temperature = 37.5; alert(Math.floor(temperature));

but i can not pass !!

Matthew Long
Matthew Long
28,407 Points
Matthew Long
Matthew Long
28,407 Points

Looks like you changed the answer to the first question. It is expecting two alerts.

Gonzalo Torres del Fierro
PLUS
Gonzalo Torres del Fierro
Courses Plus Student 16,751 Points
Gonzalo Torres del Fierro
Gonzalo Torres del Fierro
Courses Plus Student 16,751 Points

Oh yes, was expecting 2 alerts! was a miss-reading, so normal for a new guy in tech like me. thx Matthew.

Rudy Soo
seal-mask
.a{fill-rule:evenodd;}techdegree
Rudy Soo
Full Stack JavaScript Techdegree Student 1,468 Points
Rudy Soo
.a{fill-rule:evenodd;}techdegree
Rudy Soo
Full Stack JavaScript Techdegree Student 1,468 Points

in first sentence "Open an alert dialog a second time" so you will create again under the alert(Math.round(temperature));

alert(Math.(temperature));

Issam anis
Issam anis
914 Points
Issam anis
Issam anis
914 Points

I got it!!

var temperature = 37.5; alert(Math.round(temperature));