The Number Type

The Number type is the reference type for numeric values. To create a Number object, use the Number constructor and pass in any number.

 
<!DOCTYPE html>
<html>
<head>
    <title>Example</title>
    <script type="text/javascript">
            var numberObject = new Number(10); 
            document.writeln(numberObject);
    </script>
</head>
<body>
</body>
</html>

Click to view the demo

Useful Number-to-String Methods

string toString(): Represents a number in base 10
string toString(2): Represents a number in base 2(binary)
string toString(8): Represents a number in base 8(octal)
string toString(16): Represents a number in base 16(hexadecimal)
string toFixed(n): Represents a real number with n digits after the decimal point
string toExponential(n): Represents a number using exponential notation with one digit before the decimal point and n digits after
string toPrecision(n): Represents a number with n significant digits, using exponential notation if required
valueOf: returns the primitive numeric value represented by the object

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