number.issafeinteger
v1.0.3
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An ES-spec-compliant Number.isSafeInteger shim/polyfill/replacement that works as far down as ES3
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Number.isSafeInteger
An ESnext spec-compliant Number.isSafeInteger
shim/polyfill/replacement that works as far down as ES3.
This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the spec.
Getting started
npm install --save number.issafeinteger
Usage/Examples
console.log(Number.isSafeInteger(-3)); // true
console.log(Number.isSafeInteger(2 ** 53)); // false
console.log(Number.isSafeInteger(2 ** 53 - 1)); // true
console.log(Number.isSafeInteger("7")); // false
Tests
Clone the repo, npm install
, and run npm test