test2.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>

    <script>
        
        
        (function(){
            'use strict'

            var __ = function () {

            var console = window.console;
            var alert = window.alert;


            var test = function(){

            }
   
            test.bind(1)

            console.log(test)
            
            
            var k = {
                key : Symbol('__key')
            } 
            var a = {
                [k.key] : () => {
                    console.log('chk')
                }
            };

            
            (()=>{
                
                var c = 1;
                console.log(this);
                this.a = 1

                var chkFn = a[k.key];
                var f = function(cb) {
                    chkFn()
                    var _ = function () {console.log(this, 2)}
                    
                    _.call({})
                };


                var ref = 1
                var fn = function(){console.log(this)}

                setTimeout(fn.bind({...this, ref}), 1000)
                document.addEventListener('click', f)
            }).call(this)

                
            delete a[k.key]
            delete k.key
        }

        __.call({})
    }());
        
        
        window.console = {log:()=>alert('NOK')}
        window.alert = 2

        
    </script>
</head>
<body>
	<div id="hello" name='hello2'></div>
    
</body>
</html>