Document-implementation.html (802B)
1 <!DOCTYPE html> 2 <meta charset=utf-8> 3 <title>Document.implementation</title> 4 <link rel=help href="https://dom.spec.whatwg.org/#dom-document-implementation"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <div id="log"></div> 8 <script> 9 test(function() { 10 var implementation = document.implementation; 11 assert_true(implementation instanceof DOMImplementation, 12 "implementation should implement DOMImplementation"); 13 assert_equals(document.implementation, implementation); 14 }, "Getting implementation off the same document"); 15 16 test(function() { 17 var doc = document.implementation.createHTMLDocument(); 18 assert_not_equals(document.implementation, doc.implementation); 19 }, "Getting implementation off different documents"); 20 </script>