let x, { x: y = 1 } = { x }; y;
const PI = 3.14;
console.log(PI) // Imprime 3.14
let some_text = "some string";
if(some_text.indexOf('str') !=-1){
return true;
}
let a = 12, b = 3;
[a, b] = [b, a];
class Slave { // ... };
const slave = Slave();