JavaScript Number Object
Number Object
The Number object is an object wrapper for primitive numeric values.
Number objects are created with new Number().
Syntax
| var num = new Number(value); |
Note: If the value parameter cannot be converted into a number, it returns NaN
(Not-a-Number).
Number Object Properties
| Property |
Description |
| constructor |
Returns the function that created the Number object's prototype |
| MAX_VALUE |
Returns the largest number possible in JavaScript |
| MIN_VALUE |
Returns the smallest number possible in JavaScript |
| NEGATIVE_INFINITY |
Represents negative infinity (returned on overflow) |
| POSITIVE_INFINITY |
Represents infinity (returned on overflow) |
| prototype |
Allows you to add properties and methods to an object |
Number Object Methods
| Method |
Description |
| toExponential(x) |
Converts a number into an exponential notation |
| toFixed(x) |
Formats a number with x numbers of digits after the decimal point |
| toPrecision(x) |
Formats a number to x length |
| toString() |
Converts a Number object to a string |
| valueOf() |
Returns the primitive value of a Number object |
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