JS: Messing with other peoples head - or how to complicate a dual switch case

index.html

<!-- ... html html html -->
<script src="vendor.js"></script>
<script src="switch.js"></script>
<script src="another_vendor.js"></script>
<script src="switch.js"></script>
<!-- html html html... -->

switch.js

(function(ⵑⵑ){
	ⵑⵑ&&( function(){
		console.info("second call of switch.js");
	}())||!ⵑⵑ&&( function(){
		console.info("first call of switch.js");
	}());
}(((window.foo || (window.foo={ⵑ:0})), window.foo.ⵑ++)));

/*
This is just a massive (senseless) complicated switch snippet that executes two different parts of code when included two times times
*/

switch_understandable.js

/*
this should make clear what is happening here
*/
(function(switcher){
	switcher &&( function(){
		console.info("second");
	}()) || !switcher && ( function(){
		console.info("first");
	}());
}(((window.foo || (window.foo={switcher:0})), window.foo.switcher++)));