JS Modul

console.log(!function(){}()); // true
console.log(~function(){}()); // -1
console.log(+function(){}()); // NaN
console.log(-function(){}()); // NaN

console.log(void function(){}()); // undefined
console.log(true && function(){ /* code */ }()); // undefined
console.log(15.0, function(){ /* code */ }()); // 15, undefined
console.log(new function(){ /* code */ }); // Object