has-strict-mode

Does the current JS environment have strict mode? ES5+ should; but let's not assume.

Usage no npm install needed!

<script type="module">
  import hasStrictMode from 'https://cdn.skypack.dev/has-strict-mode';
</script>

README

has-strict-mode Version Badge

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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