myGlobal.Infinity in ECMAScript 262

The static value "Infinity"

Property Type: Infinity

This property of the Global object is accessible directly, and is the result value of various mathematical operations. This is also the value of the class property Number.POSITIVE_INFINITY.

var result = 1/0;
var isInfinite = (result == Infinity); // true
var equals = (Infinity == Number.POSITIVE_INFINITY); //true