es-shims / Math.sign

An ES-spec-compliant Math.sign shim/polyfill/replacement that works as far down as ES3

Math.sign

An ESnext spec-compliant Math.sign 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 math.sign

Usage/Examples

console.log(Math.sign(3)); // 1
console.log(Math.sign(-3)); // -1
console.log(Math.sign("-3")); // -1
console.log(Math.sign(0)); // 0

Tests

Simply clone the repo, npm install, and run npm test