5.3.1.3. Logical NOT¶
/*The logical NOT operator, !, takes only a single operand and reverses
its boolean value.*/
console.log(! true);
console.log(! false);
//false
//true
console.log( !(5 > 7) );
console.log( !('dog' === 'cat') );
//true
//false
/*The operator ! (sometimes called "bang") has the same semantic role
as the word "not" in English. -Big Bang Theory // "BANG" */