The sqrt() function of the Math object accepts a number and returns the square root value of the given number.
Syntax
Its Syntax is as follows
Math.sqrt();
Example
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var result = Math.sqrt(169);
document.write("Square root value of the given number: "+result);
</script>
</body>
</html>Output
Square root value of the given number: 13