grammarAndTypes-logs.js

/* what do these log ? */ 

var a;
console.log(a); 

var n = null; 
console.log(n + 2) 

console.log('The value of c is ' + c); 

let x;
console.log('The value of x is ' + x);

console.log('The value of b is ' + b); 
var b;

var c; 
console.log(c + 2) 

if (true) {
let y = 5;
}
console.log(y);

if (true) {
var x = 5;
}
console.log(x)