Accessing elements by type in javascript

Question

A while ago I was making some test in Javascript, and played with a code to get the text of all elements with a certain class, Now I was trying to make something like this

Answer 1

var inputs = document.querySelectorAll("input[type=text]") ||
(function() {
    var ret=[], elems = document.getElementsByTagName('input'), i=0,l=elems.length;
    for (;i