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Infinity - JavaScript | MDN
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Infinity
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The Infinity
global property is a numeric value representing infinity.
Try it
const maxNumber = 10 ** 1000; // Max positive number
if (maxNumber === Infinity) {
console.log("Let's call it Infinity!");
// Expected output: "Let's call it Infinity!"
}
console.log(1 / maxNumber);
// Expected output: 0
Value
The same number value as Number.POSITIVE_INFINITY
.
Property attributes of Infinity | |
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
Description
Infinity
is a property of the global object. In other words, it is a variable in global scope.
The value Infinity
(positive infinity) is greater than any other number.
This value behaves slightly differently than mathematical infinity; see Number.POSITIVE_INFINITY
for details.
Examples
>Using Infinity
js
console.log(Infinity); /* Infinity */
console.log(Infinity + 1); /* Infinity */
console.log(10 ** 1000); /* Infinity */
console.log(Math.log(0)); /* -Infinity */
console.log(1 / Infinity); /* 0 */
console.log(1 / 0); /* Infinity */
Specifications
Specification |
---|
ECMAScript® 2026 Language Specification> # sec-value-properties-of-the-global-object-infinity> |
Browser compatibility
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