File: insertRow-method-03.html

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<!DOCTYPE html>
<title>insertRow(): non-empty table</title>
<link rel="author" title="g-k" href="mailto:greg.guthe@gmail.com">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-table-insertrow">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<div id="test">
    <table>
        <tbody><tr id="first"></tr><tr id="second"></tr></tbody>
    </table>
</div>
<script>
var HTML = "http://www.w3.org/1999/xhtml";
test(function() {
  var table = document.getElementById("test").getElementsByTagName("table")[0];
  test(function() {
    assert_equals(table.childNodes.length, 3);
    assert_equals(table.rows.length, 2);
  }, "table should start out with two rows")

  var tr;
  test(function() {
    tr = table.insertRow(1);
    assert_equals(tr.localName, "tr");
    assert_equals(tr.namespaceURI, HTML);
    assert_equals(table.getElementsByTagName("tr")[0].id, "first");
    assert_equals(table.getElementsByTagName("tr")[1].id, "");
    assert_equals(table.getElementsByTagName("tr")[2].id, "second");
  }, "insertRow should insert a tr element before the second row")
});
</script>