w3resource

JavaScript sqrt() Method: Math Object

Description

The sqrt() method of math object is used to get the square root of a number.

Version

Implemented in JavaScript 1.0

Syntax

sqrt(x) 

Parameter

x: Refers a number.

js math object sqrt

Example:

In the following web document, sqrt() method returns the square root of various numbers.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<title>JavaScript Math object - sqrt() method example</title>
</head>
<body>
<h1 style="color: red">JavaScript Math object : sqrt() method</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
document.write(Math.sqrt(0) + "<br />");
document.write(Math.sqrt(1) + "<br />");
document.write(Math.sqrt(81) + "<br />");
document.write(Math.sqrt(0.49) + "<br />");
x=36
document.write(Math.sqrt(x) + "<br />");
y=2
z=2
document.write(Math.sqrt(y+z) + "<br />");
document.write(Math.sqrt(-16));
//]]>
</script>
</body>
</html>

View the example in the browser

Supported Browser

Internet Explorer 7 Firefox 3.6 Google Chrome 7 Safari 5.0.1 Opera 10
Yes Yes Yes Yes Yes

See also:

JavaScript Core objects, methods, properties.

Previous: JavaScript sin() Method
Next: JavaScript tan() Method: Math Object

Test your Programming skills with w3resource's quiz.



Become a Patron!

Follow us on Facebook and Twitter for latest update.

It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.

https://www.w3resource.com/javascript/object-property-method/math-sqrt.php