1/*The logical NOT operator, !, takes only a single operand and reverses 
2its boolean value.*/
3
4console.log(! true);
5console.log(! false);
6
7//false
8//true 
9
10console.log( !(5 > 7) );
11console.log( !('dog' === 'cat') );
12
13//true
14//false
15
16/*The operator ! (sometimes called "bang") has the same semantic role
17as the word "not" in English. -Big Bang Theory // "BANG" */