Do let statements create properties on the global object?

Question

In JavaScript, var declarations create properties on the global object:

var x = 15;
console.log(window.x); // logs 15 in browser
console.log(glo         


        

Answer 1

Variables declared via let keyword do not create accessible properties on a global object (window for a browser). Actually, Firefox fixed its behavior: let v = 42; 'v' in window // false