<!DOCTYPE html>
<title>form.elements: matches</title>
<link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-form-elements">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<div id="test">
<form id="form">
<input type="image">
</form>
</div>
<script>
test(function() {
  assert_equals(document.getElementById("form").elements.length, 0);
}, "input type=image should not be present in the form.elements collection")
test(function() {
  var form = document.getElementById("form");
  var i = document.createElement("input");
  i.name = "2";
  form.appendChild(i);
  var j = document.createElement("input");
  j.name = "03";
  form.appendChild(j);
  assert_equals(form.elements[-1], undefined, '[-1]');
  assert_equals(form.elements["-1"], undefined, '["-1"]');
  assert_equals(form.elements[0], i, '[0]');
  assert_equals(form.elements["0"], i, '["0"]');
  assert_equals(form.elements[1], j, '[1]');
  assert_equals(form.elements["1"], j, '["1"]');
  assert_equals(form.elements[2], undefined, '[2]');
  assert_equals(form.elements["2"], undefined, '["2"]');
  assert_equals(form.elements[03], undefined, '[03]');
  assert_equals(form.elements["03"], j, '["03"]');
  assert_equals(form.elements.item(-1), null, 'item(-1)');
  assert_equals(form.elements.item(0), i, 'item(0)');
  assert_equals(form.elements.item(1), j, 'item(1)');
  assert_equals(form.elements.item(2), null, 'item(2)');
  assert_equals(form.elements.namedItem("2"), i, 'namedItem("2")');
  assert_equals(form.elements.namedItem("03"), j, 'namedItem("03")');
  assert_equals(form.elements.namedItem("3"), null, 'namedItem("3")');
  assert_array_equals(form.elements, [i, j]);
  form.removeChild(i);
  form.removeChild(j);
}, "form.elements should include elements whose name starts with a number");
</script>