JavaScript Number Object
Number Object
The Number object is an object wrapper for primitive numeric values.
Syntax
| var myNum=new Number(number); |
Note: If the number parameter cannot be converted into a number, it returns NaN.
Number Object Properties
F: Firefox, IE: Internet Explorer
| Property |
Description |
F |
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 a "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 an object |
1 |
4 |
Number Object Methods
| Method |
Description |
F |
IE |
| toExponential() |
Converts the value of an object into an exponential
notation |
1 |
5.5 |
| toFixed() |
Formats a number to use a specified number of decimals |
1 |
5.5 |
| toLocaleString() |
|
|
|
| toPrecision() |
Formats a number to a specified length |
1 |
5.5 |
| toString() |
Converts a number to a string |
1 |
4 |
| valueOf() |
Returns the value of a Number object |
1 |
4 |
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