Does the current JS environment have strict mode? ES5+ should; but let's not assume.
Package: has-strict-mode
Created by: inspect-js
Last modified: Wed, 04 May 2022 18:05:34 GMT
Version: 1.0.1
License: MIT
Downloads: 8,757
Repository: https://github.com/inspect-js/has-strict-mode
Install
npm install has-strict-mode
yarn add has-strict-mode
has-strict-mode 
Does the current JS environment have strict mode? ES5+ should; but let's not assume.
Example
var hasStrictMode = require('has-strict-mode');
var assert = require('assert');
assert.equal(hasStrictMode(), true); // will be `false` in IE 6-8
Tests
Simply clone the repo, npm install, and run npm test
