math.sign

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

Usage no npm install needed!

<script type="module">
  import mathSign from 'https://cdn.skypack.dev/math.sign';
</script>

README

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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