`isBrowserEnvironment` is `false` in the browser

running in a strict mode in the browser will lead `isBrowserEnvironment` is `false`

```js
"use strict";

var isBrowserEnvironment = (function() {
    // eslint-disable-next-line no-undef
    return (typeof window !== "undefined") && (this === window);
}).call();

isBrowserEnvironment
// false
```