JS: Infinity
Infinity is a builtin value.
Infinity is typically returned when divide by zero.
console.log ( 1/0 === Infinity ); // true
Type of Infinity is "number".
[see JS: Value Types]
console.log ( typeof Infinity === "number" ); // true
Infinity === Infinity return true.
console.log ( Infinity === Infinity ); // true
Test Infinity
To test if a value is finite, use
Number.isFinite.
[see JS: Number.isFinite]
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