Pseudo-arrays types in JavaScript

Pseudo-arrays come in various types. The type depends on the method of obtaining.

In the following example, we will get a collection of one type:

javascriptlet elems = document.querySelectorAll('p');
console.log(elems); // NodeList

And in the next example we will get a collection of another type:

javascriptlet elems = document.getElementsByTagName('p');
console.log(elems); // HTMLCollection