hasFeature.feature.string.html

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<!DOCTYPE HTML>

<html>

    <head>

        <title id='desc'> DOMImplementation.hasFeature() and Extended Feature String </title>

        <script type="text/javascript">

            var PassTest = function()

                document.getElementById("testresult").firstChild.data = "PASS";

            var FailTest = function()

                document.getElementById("testresult").firstChild.data = "FAIL";

            var szFeatures = ["Event", "UIEvent","FocusEvent","MouseEvent","WheelEvent","TextEvent",

                              "KeyboardEvent","CompositionEvent","MutationEvent","CustomEvent"];

            var ExpectResult = [];

            var ActualResult = [];

            var supported = false;

            window.onload = function()

try

                    supported = document.implementation.hasFeature("Events", "3.0");

                    for (var i=0; i<szFeatures.length; i++)

                        var szFeature = szFeatures[i];

                        supported = document.implementation.hasFeature(szFeature, "3.0") && supported;

                        supported = document.implementation.hasFeature(szFeature, "") && supported;

                        if (!supported)

                            break;

                    for (var i=0; i<szFeatures.length; i++)

                        var szFeature = "Events." + szFeatures[i];

                        supported = document.implementation.hasFeature(szFeature, "3.0") && supported;

                        supported = document.implementation.hasFeature(szFeature, "") && supported;

                        if (!supported)

                            break;

                    if (supported)

                        PassTest();

                    else

                        FailTest();

                catch(ex)

                    FailTest();

        </script>

    </head>

    <body>

        <h3>DOM Events</h3>

        <h4>

            Test Description: each interface defined in DOM Level 3 Events has a feature string,

            which may act as a base feature string or as an extended feature string.

        </h4>

        <p>Test passes if the word "PASS" appears below.</p>

           <div>Test result: </div>

        <div id='testresult'>FAIL</div>

    </body>

</html>