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

Belen Tenorio
PLUS
Belen Tenorio
Courses Plus Student 316 Points

Help I don't know what I'm doing wrong in this exercise!

I'm trying to round the number, with Math.round() But it keeps saying that I have some syntax errors

script.js
var temperature = 37.5;
window.alert("Math.round(37.5)");
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

Two problems, one is that you don't need the window part. Here:

window.alert( /* Something */ ) // this is wrong
alert( /* Something */ ) // this is right

Another problem, you don't use double quotes for the argument always, unless you are using a string. The function alert already transforms it into one. Here:

var temperature = 37.5

alert( "Math.round (temperature )" ) // this is wrong
alert( Math.round( temperature ) ) // this is right