Infinity

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The Infinity global property is a numeric value representing infinity.

{{InteractiveExample("JavaScript Demo: Standard built-in objects - infinity")}}

const maxNumber = Math.pow(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 {{jsxref("Number.POSITIVE_INFINITY")}} .

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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 {{jsxref("Number.POSITIVE_INFINITY")}} for details.

Examples

Using Infinity

console.log(Infinity); /* Infinity */
console.log(Infinity + 1); /* Infinity */
console.log(Math.pow(10, 1000)); /* Infinity */
console.log(Math.log(0)); /* -Infinity */
console.log(1 / Infinity); /* 0 */
console.log(1 / 0); /* Infinity */

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

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