The sqrt of method using the square root in JavaScript
- 2020-06-15 07:38:15
- OfStack
This method returns the square root of 1 number. If the value of the number is negative, the root returns NaN.
grammar
Math.sqrt( x ) ;
Here is the details of the parameters:
x: One numberThe return value:
Returns the sine of 1 number.Example:
<html>
<head>
<title>JavaScript Math sqrt() Method</title>
</head>
<body>
<script type="text/javascript">
var value = Math.sqrt( 0.5 );
document.write("First Test Value : " + value );
var value = Math.sqrt( 81 );
document.write("<br />Second Test Value : " + value );
var value = Math.sqrt( 13 );
document.write("<br />Third Test Value : " + value );
var value = Math.sqrt( -4 );
document.write("<br />Fourth Test Value : " + value );
</script>
</body>
</html>
This will produce the following results:
First Test Value : 0.7071067811865476
Second Test Value : 9
Third Test Value : 3.605551275463989
Fourth Test Value : NaN