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products/sources/formale Sprachen/C/Firefox/dom/events/test/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 4 kB

Quelle test_bug659350.html Sprache: HTML

products/sources/formale Sprachen/C/Firefox/dom/events/test/test_bug659350.html

<!DOCTYPE HTML>
<html>

<head>
  <title>Test for Bug 659350</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=659350">Mozilla Bug 659350</a>
<p id="display"></p>
<div id="content" style="display: none">

</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 659350 **/
function testIn(eventName, obj, objName, expected) {
  is(eventName in obj, expected, "'" + eventName + "' shuld be in " + objName);
}

var div = document.createElement("div");

// Forwarded events
testIn("onscroll", window, "window", true);
testIn("onscroll", document.body, "body", true);
testIn("onscroll", div, "div", true);
// Window events
testIn("onpopstate", window, "window", true);
testIn("onpopstate", document.body, "body", true);
testIn("onpopstate", div, "div", false);
// Non-idl events
testIn("onopen", window, "window", false);
testIn("onopen", document.body, "body", false);
testIn("onopen", div, "div", false);

function f() {}
function g() {}

// Basic sanity of interaction between the IDL and content attributes
div.onload = f;
is(div.onload, f, "Should have 'f' as div's onload");
div.setAttribute("onload", "");
isnot(div.onload, f, "Should not longer have 'f' as div's onload");
is(div.onload.toString(), "function onload(event) {\n\n}",
   "Should have wrapped empty string in a function");
div.setAttribute("onload", "foopy();");
is(div.onload.toString(), "function onload(event) {\nfoopy();\n}",
   "Should have wrapped call in a function");
div.removeAttribute("onload");
is(div.onload, null, "Should have null onload now");

// Test forwarding to window for both events that are window-specific and that
// exist on all elements
function testPropagationToWindow(eventName) {
  is(window["on"+eventName], null, "Shouldn't have " + eventName + " stuff yet");
  document.body["on"+eventName] = f;
  is(window["on"+eventName], f,
     "Setting on"+eventName+" on body should propagate to window");
  document.createElement("body")["on"+eventName] = g;
  is(window["on"+eventName], g,
     "Setting on"+eventName+" on body not in document should propagate to window");
  document.createElement("frameset")["on"+eventName] = f;
  is(window["on"+eventName], f,
     "Setting on"+eventName+" on frameset not in document should propagate to window");

  document.body.setAttribute("on"+eventName, eventName);
  is(window["on"+eventName].toString(),
            "function on"+eventName+"(event) {\n"+eventName+"\n}",
            "Setting on"+eventName+"attribute on body should propagate to window");
  document.createElement("body").setAttribute("on"+eventName, eventName+"2");
  is(window["on"+eventName].toString(),
            "function on"+eventName+"(event) {\n"+eventName+"2\n}",
            "Setting on"+eventName+"attribute on body outside the document should propagate to window");
}

testPropagationToWindow("popstate");
testPropagationToWindow("scroll");

// Test |this| and scoping
var called;
div.onscroll = function(event) {
  is(this, div, "This should be div when invoking event listener");
  is(event, ev, "Event argument should be the event that was dispatched");
  called = true;
}
var ev = document.createEvent("Events");
ev.initEvent("scroll", true, true);
called = false;
div.dispatchEvent(ev);
is(called, true, "Event listener set via on* property not called");

div.foopy = "Found me";
document.foopy = "Didn't find me";
document.foopy2 = "Found me";
div.setAttribute("onscroll",
                 "is(this, div, 'This should be div when invoking via attribute');\
                  is(foopy, 'Found me', 'div should be on the scope chain when invoking handler compiled from content attribute');\
                  is(foopy2, 'Found me', 'document should be on the scope chain when invking handler compiled from content attribute');\
                  is(event, ev, 'Event argument should be the event that was dispatched');\
                  called = true;");
called = false;
div.dispatchEvent(ev);
is(called, true, "Event listener set via on* attribute not called");
</script>
</pre>
</body>
</html>

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