isFinite
INFO
This function is only available in es-toolkit/compat for compatibility reasons. It either has alternative native JavaScript APIs or isn’t fully optimized yet.
When imported from es-toolkit/compat, it behaves exactly like lodash and provides the same functionalities, as detailed here.
Check if the given value is a finite number.
This function can also serve as a type predicate in TypeScript, narrowing the type of the argument to number.
Signature
typescript
function isFinite(value: unknown): value is number;Parameters
value(unknown): The value to test if it is a finite number.
Returns
(value is number): True if the value is a finite number, otherwise false.
Examples
typescript
const value1 = 100;
const value2 = Infinity;
const value3 = '100';
console.log(isFinite(value1)); // true
console.log(isFinite(value2)); // false
console.log(isFinite(value3)); // false