is-finite-x

v1.1.0
ES6-compliant shim for Number.isFinite.
sameValueZero module javascript nodejs browser

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is-finite-x

ES6-compliant shim for Number.isFinite.

See: 20.1.2.2 Number.isFinite ( number )

module.exports(number)boolean

This method determines whether the passed value is a finite number.

Kind: Exported function
Returns: boolean - A Boolean indicating whether or not the given value is a finite number.

Param Type Description
number * The value to be tested for finiteness.

Example

import numIsFinite from 'is-finite-x';

console.log(numIsFinite(Infinity)); // false
console.log(numIsFinite(NaN)); // false
console.log(numIsFinite(-Infinity)); // false

console.log(numIsFinite(0)); // true
console.log(numIsFinite(2e64)); // true

console.log(numIsFinite('0')); // false, would've been true with
// global isFinite('0')
console.log(numIsFinite(null)); // false, would've been true with

Metadata

  • MIT
  • *
  • Graham Fairweather
  • released 3/27/2017

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