<!DOCTYPE html> <title>insertRow(): Empty table</title> <link rel="author" title="Ms2ger" href="mailto:ms2ger@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></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, 0); assert_equals(table.rows.length, 0); }, "table should start out empty") var tr; test(function() { tr = table.insertRow(0); assert_equals(tr.localName, "tr"); assert_equals(tr.namespaceURI, HTML); }, "insertRow should insert a tr element") var tbody = tr.parentNode; test(function() { assert_equals(tbody.localName, "tbody"); assert_equals(tbody.namespaceURI, HTML); assert_equals(tbody.parentNode, table); }, "insertRow should insert a tbody element") }); </script>