JavaScript Number POSITIVE_INFINITY

let x = Number.POSITIVE_INFINITY;

Create a positive infinity:

let n = (Number.MAX_VALUE) * 2;

Description

POSITIVE_INFINITY returns positive infinity.

POSITIVE_INFINITY is "something higher than any other number".

POSITIVE_INFINITY a property of the JavaScript Number object.

You can only use it as Number.POSITIVE_INFINITY.

Using x.POSITIVE_INFINITY, where x is a variable, will return undefined:

let x = 100;
x.NEGATIVE_INFINITY;

Number.POSITIVE_INFINITY

Type	Description
A number	Infinity

Number.POSITIVE_INFINITY is an ECMAScript1 (ES1) feature.

ES1 (JavaScript 1997) is fully supported in all browsers:


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	Yes