JavaScript Infinity
Example
Display a number that exceeds the positive infinity:
let x = 1.797693134862315E+308;
let y = x * 1.001;
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Display a number that exceeds the negative infinity:
let x = -1.797693134862316E+308;
let y = x * 1.001;
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Definition and Usage
Infinity is a number that represents positive infinity.
-Infinity represents negative infinity.
A number reaches Infinity when it exceeds the upper limit for a number:
1.797693134862315E+308.
A number reaches -Infinity when it exceeds the lower limit for a number:
-1.797693134862316E+308.
Syntax
Infinity
Return Value
| Infinity |
Browser Support
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 |
