The Number Object The Number object is an object wrapper for primitive numeric values. Syntax for creating a Number object: var ...
The Number Object
The Number object is an object wrapper for primitive numeric values.Syntax for creating a Number object:
var myNum=new Number(number); |
Note: If the number parameter cannot be converted into a number, it returns NaN.
Number Object Properties
FF: Firefox, IE: Internet Explorer| Property | Description | FF | IE |
|---|---|---|---|
| constructor | Returns a reference to the Number function that created the object | 1 | 4 |
| MAX_VALUE | Returns the largest possible value in JavaScript | 1 | 4 |
| MIN_VALUE | Returns the smallest possible value in JavaScript | 1 | 4 |
| NaN | Represents "Not-a-number" value | 1 | 4 |
| NEGATIVE_INFINITY | Represents a value that is less than MIN_VALUE | 1 | 4 |
| POSITIVE_INFINITY | Represents a value that is greater than MAX_VALUE | 1 | 4 |
| prototype | Allows you to add properties and methods to the object | 1 | 4 |
Number Object Methods
| Method | Description | FF | IE |
|---|---|---|---|
| toExponential() | Converts the value of the object into an exponential notation | 1 | 5.5 |
| toFixed() | Formats a number to the specified number of decimals | 1 | 5.5 |
| toLocaleString() | |||
| toPrecision() | Converts a number into a number with a specified number of digits | 1 | 5.5 |
| toString() | Converts the Number object into a string | 1 | 4 |
| valueOf() | Returns the value of the Number object | 1 | 4 |
