var forEach = function (array, callback, scope) {
  for (var i = 0; i < array.length; i++) {
    callback.call(scope, i, array[i]); // passes back stuff we need
  }
};

// Usage:
// optionally change the scope as final parameter too, like ECMA5
var myNodeList = document.querySelectorAll('td:nth-child(3) > a');
forEach(myNodeList, function (index, value) {
    console.log(index, value.textContent); // passes index + value back!
});