The Number.MAX_VALUE property represents the maximum numeric value representable in JavaScript.
Property attributes of Number.MAX_VALUE |
|
|---|---|
| Writable | no |
| Enumerable | no |
| Configurable | no |
Description
The MAX_VALUE property has a value of approximately 1.79E+308. Values larger than MAX_VALUE are represented as "Infinity".
Because MAX_VALUE is a static property of Number, you always use it as Number.MAX_VALUE, rather than as a property of a Number object you created. Calling it on the object you created(rather than Number itself), will result in undefined value.
Examples
Using MAX_VALUE
The following code multiplies two numeric values. If the result is less than or equal to MAX_VALUE, the func1 function is called; otherwise, the func2 function is called.
if (num1 * num2 <= Number.MAX_VALUE) {
func1();
} else {
func2();
}
Specifications
| Specification | Status | Comment |
|---|---|---|
| ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. Implemented in JavaScript 1.1. |
| ECMAScript 5.1 (ECMA-262) The definition of 'Number.MAX_VALUE' in that specification. |
Standard | |
| ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Number.MAX_VALUE' in that specification. |
Standard | |
| ECMAScript 2017 Draft (ECMA-262) The definition of 'Number.MAX_VALUE' in that specification. |
Draft |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
| Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
See also
Number.MIN_VALUE- The
Numberobject it belongs to