Quelle test_assign_event_data.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/widget/tests/test_assign_event_data.html

<!DOCTYPE html>
<html>
<head>
  <title>Testing ns*Event::Assign*EventData()</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <script src="/tests/SimpleTest/NativeKeyCodes.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
  <style>
    #a {
      background-color: transparent;
      transition: background-color 0.1s linear;
    }
    #a:focus {
      background-color: red;
    }
    .slidin {
      border: green 1px solid;
      width: 10px;
      height: 10px;
      animation-name: slidein;
      animation-duration: 1s;
    }
    @keyframes slidein {
      from {
        margin-left: 100%;
      }
      to {
        margin-left: 0;
      }
    }
    #pointer-target {
      border: 1px dashed red;
      background: yellow;
      margin: 0px 10px;
      padding: 0px 10px;
    }
    #scrollable-div {
      background: green;
      overflow: auto;
      width: 30px;
      height: 30px;
    }
    #scrolled-div {
      background: magenta;
      width: 10px;
      height: 10px;
    }
    #form {
      background: silver;
      padding: 0px 10px;
    }
    #animated-div {
      background: cyan;
      padding: 0px 10px;
    }
  </style>
</head>
<body>
<div id="display">
  <input id="input-text">
  <div contenteditable id="contenteditable"><br></div>
  <button id="button">button</button>
  <a id="a" href="about:blank">hyper link</a>
  <span id="pointer-target">span</span>
  <div id="scrollable-div"><div id="scrolled-div"></div></div>
  <form id="form">form</form>
  <div id="animated-div"> </div>
</div>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>

<script class="testbody" type="application/javascript">

SimpleTest.waitForExplicitFinish();
SimpleTest.expectAssertions(0, 34);

const kIsMac = (navigator.platform.indexOf("Mac") == 0);
const kIsWin = (navigator.platform.indexOf("Win") == 0);

var gDescription = "";
var gEvent = null;
var gCopiedEvent = [];
var gCallback = null;
var gCallPreventDefault = false;

function onEvent(aEvent) {
  if (gCallPreventDefault) {
    aEvent.preventDefault();
  }
  if (
    gEvent &&
    gEvent.type == "input" &&
    aEvent.type == "input" &&
    gEvent.isComposing &&
    !aEvent.isComposing &&
    SpecialPowers.getBoolPref("dom.input_events.dispatch_before_compositionend")
  ) {
    return; // `input` may be fired twice at committing composition.  Ignore, the second one.
  }
  ok(gEvent === null, gDescription + `: We should receive only one event to check per test: already got: ${gEvent ? gEvent.type : "null"}, got: ${aEvent.type}`);
  gEvent = aEvent;
  for (var attr in aEvent) {
    if (!attr.match(/^[A-Z0-9_]+$/) && // ignore const attributes
        attr != "multipleActionsPrevented" && // multipleActionsPrevented isn't defined in any DOM event specs.
        typeof(aEvent[attr]) != "function") {
      gCopiedEvent.push({ name: attr, value: aEvent[attr]});
    }
  }
  setTimeout(gCallback, 0);
}

function observeKeyUpOnContent(aKeyCode, aCallback) {
  document.addEventListener("keyup", function keyUp(ev) {
    if (ev.keyCode == aKeyCode) {
      document.removeEventListener("keyup", keyUp);
      SimpleTest.executeSoon(aCallback);
    }
  });
}

const kTests = [
  { description: "InternalScrollPortEvent (overflow, vertical)",
    targetID: "scrollable-div", eventType: "overflow",
    dispatchEvent() {
      document.getElementById("scrolled-div").style.height = "500px";
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalScrollPortEvent (overflow, horizontal)",
    targetID: "scrollable-div", eventType: "overflow",
    dispatchEvent() {
      document.getElementById("scrolled-div").style.width = "500px";
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalScrollAreaEvent (MozScrolledAreaChanged, spreading)",
    target() { return document; }, eventType: "MozScrolledAreaChanged",
    dispatchEvent() {
      document.getElementById("scrollable-div").style.width = "50000px";
      document.getElementById("scrollable-div").style.height = "50000px";
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalScrollAreaEvent (MozScrolledAreaChanged, shrinking)",
    target() { return document; }, eventType: "MozScrolledAreaChanged",
    dispatchEvent() {
      document.getElementById("scrollable-div").style.width = "30px";
      document.getElementById("scrollable-div").style.height = "30px";
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "WidgetKeyboardEvent (keydown of 'a' key without modifiers)",
    targetID: "input-text", eventType: "keydown",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      document.getElementById(this.targetID).focus();
      synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US, kIsWin ? WIN_VK_A : MAC_VK_ANSI_A,
                          {}, "a", "a");
      observeKeyUpOnContent(KeyboardEvent.DOM_VK_A, runNextTest);
      return true;
    },
    canRun() {
      return (kIsMac || kIsWin);
    },
    todoMismatch: [],
  },
  { description: "WidgetKeyboardEvent (keyup of 'a' key without modifiers)",
    targetID: "input-text", eventType: "keydown",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      document.getElementById(this.targetID).focus();
      synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US, kIsWin ? WIN_VK_A : MAC_VK_ANSI_A,
                          {}, "a", "a");
      observeKeyUpOnContent(KeyboardEvent.DOM_VK_A, runNextTest);
      return true;
    },
    canRun() {
      return (kIsMac || kIsWin);
    },
    todoMismatch: [],
  },
  { description: "WidgetKeyboardEvent (keypress of 'b' key with Shift)",
    targetID: "input-text", eventType: "keypress",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      document.getElementById(this.targetID).focus();
      synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US, kIsWin ? WIN_VK_B : MAC_VK_ANSI_B,
                          { shiftKey: true }, "B", "B");

      // On Windows, synthesizeNativeKey will also fire keyup for shiftKey.
      // We have to wait for it to prevent the key event break the next test case.
      let waitKeyCode = _EU_isWin(window) ? KeyboardEvent.DOM_VK_SHIFT :
                                            KeyboardEvent.DOM_VK_B;
      observeKeyUpOnContent(waitKeyCode, runNextTest);
      return true;
    },
    canRun() {
      return (kIsMac || kIsWin);
    },
    todoMismatch: [],
  },
  { description: "WidgetKeyboardEvent (keyup during composition)",
    targetID: "input-text", eventType: "keyup",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      document.getElementById(this.targetID).focus();
      synthesizeCompositionChange({ "composition":
        { "string": "\u306D",
          "clauses":
          [
            { "length": 1, "attr": COMPOSITION_ATTR_RAW_CLAUSE },
          ],
        },
        "caret": { "start": 1, "length": 0 },
        "key": { key: "a" },
      });
      synthesizeComposition({ type: "compositioncommitasis", key: {} });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetKeyboardEvent (keydown during composition)",
    targetID: "input-text", eventType: "keydown",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      document.getElementById(this.targetID).focus();
      synthesizeCompositionChange({ "composition":
        { "string": "\u306D",
          "clauses":
          [
            { "length": 1, "attr": COMPOSITION_ATTR_RAW_CLAUSE },
          ],
        },
        "caret": { "start": 1, "length": 0 },
        "key": {},
      });
      synthesizeComposition({ type: "compositioncommitasis",
        key: { key: "KEY_Enter" } });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetMouseEvent (mousedown of left button without modifier)",
    targetID: "button", eventType: "mousedown",
    dispatchEvent() {
      synthesizeMouseAtCenter(document.getElementById(this.targetID),
                              { button: 0 });
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "WidgetPointerEvent (pointerdown of left button without modifier)",
    targetID: "button", eventType: "pointerdown",
    dispatchEvent() {
      synthesizeMouseAtCenter(document.getElementById(this.targetID),
                              { button: 0 });
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "WidgetPointerEvent (click of middle button with Shift)",
    targetID: "button", eventType: "auxclick",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeMouseAtCenter(document.getElementById(this.targetID),
                              { button: 1, shiftKey: true, pressure: 0.5 });
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "WidgetMouseEvent (mouseup of right button with Alt)",
    targetID: "button", eventType: "mouseup",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeMouseAtCenter(document.getElementById(this.targetID),
                              { button: 2, altKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "WidgetPointerEvent (pointerup of right button with Alt)",
    targetID: "button", eventType: "pointerup",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeMouseAtCenter(document.getElementById(this.targetID),
                              { button: 2, altKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "WidgetDragEvent",
    targetID: "input-text", eventType: "dragstart",
    dispatchEvent() {

    },
    canRun() {
      todo(false, "WidgetDragEvent isn't tested");
      return false;
    },
    todoMismatch: [],
  },
  { description: "WidgetCompositionEvent (compositionupdate)",
    targetID: "input-text", eventType: "compositionupdate",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      document.getElementById(this.targetID).focus();
      synthesizeComposition({ type: "compositioncommit", data: "\u30E9\u30FC\u30E1\u30F3", key: { key: "KEY_Enter" } });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "InternalEditorInputEvent (input at key input)",
    targetID: "input-text", eventType: "input",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      document.getElementById(this.targetID).focus();
      synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US, kIsWin ? WIN_VK_B : MAC_VK_ANSI_B,
                          { shiftKey: true }, "B", "B");
      observeKeyUpOnContent(KeyboardEvent.DOM_VK_B, runNextTest);
      return true;
    },
    canRun() {
      return (kIsMac || kIsWin);
    },
    todoMismatch: [],
  },
  { description: "InternalEditorInputEvent (input at composing)",
    targetID: "input-text", eventType: "input",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      document.getElementById(this.targetID).focus();
      synthesizeCompositionChange({ "composition":
        { "string": "\u30E9\u30FC\u30E1\u30F3",
          "clauses":
          [
            { "length": 4, "attr": COMPOSITION_ATTR_RAW_CLAUSE },
          ],
        },
        "caret": { "start": 4, "length": 0 },
        "key": { key: "y" },
      });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "InternalEditorInputEvent (input at committing)",
    targetID: "input-text", eventType: "input",
    dispatchEvent() {
      synthesizeComposition({ type: "compositioncommitasis", key: { key: "KEY_Enter" } });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "InternalLegacyTextEvent (input at key input)",
    targetID: "input-text", eventType: "textInput",
    dispatchEvent() {
      const input = document.getElementById(this.targetID);
      input.value = "";
      input.focus();
      synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US, kIsWin ? WIN_VK_B : MAC_VK_ANSI_B,
                          { shiftKey: true }, "B", "B");
      observeKeyUpOnContent(KeyboardEvent.DOM_VK_B, runNextTest);
      return true;
    },
    canRun() {
      return (kIsMac || kIsWin);
    },
    todoMismatch: [],
  },
  { description: "InternalLegacyTextEvent (paste)",
    targetID: "contenteditable", eventType: "textInput",
    async dispatchEvent() {
      const editingHost = document.getElementById(this.targetID);
      editingHost.innerHTML = "abc";
      editingHost.focus();
      getSelection().selectAllChildren(editingHost);
      synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US, kIsWin ? WIN_VK_C : MAC_VK_ANSI_C,
                          { accelKey: true }, "", "c");
      const waitForInput = new Promise(resolve => {
        editingHost.addEventListener("input", resolve, {once: true});
      });
      // In this case, TextEvent.data is stored with a dataTransfer.
      synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US, kIsWin ? WIN_VK_V : MAC_VK_ANSI_V,
                          { accelKey: true }, "", "v");
      await waitForInput;
    },
    canRun() {
      return (kIsMac || kIsWin);
    },
    todoMismatch: [],
  },
  { description: "WidgetMouseScrollEvent (DOMMouseScroll, vertical)",
    targetID: "input-text", eventType: "DOMMouseScroll",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeWheel(document.getElementById(this.targetID), 3, 4,
                      { deltaY: 30, lineOrPageDeltaY: 2 });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetMouseScrollEvent (DOMMouseScroll, horizontal)",
    targetID: "input-text", eventType: "DOMMouseScroll",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeWheel(document.getElementById(this.targetID), 4, 5,
                      { deltaX: 30, lineOrPageDeltaX: 2, shiftKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetMouseScrollEvent (MozMousePixelScroll, vertical)",
    targetID: "input-text", eventType: "MozMousePixelScroll",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeWheel(document.getElementById(this.targetID), 3, 4,
                      { deltaY: 20, lineOrPageDeltaY: 1, altKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetMouseScrollEvent (MozMousePixelScroll, horizontal)",
    targetID: "input-text", eventType: "MozMousePixelScroll",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeWheel(document.getElementById(this.targetID), 4, 5,
                      { deltaX: 20, lineOrPageDeltaX: 1, ctrlKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetWheelEvent (wheel, vertical)",
    targetID: "input-text", eventType: "wheel",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeWheel(document.getElementById(this.targetID), 3, 4,
                      { deltaY: 20, lineOrPageDeltaY: 1, altKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetWheelEvent (wheel, horizontal)",
    targetID: "input-text", eventType: "wheel",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeWheel(document.getElementById(this.targetID), 4, 5,
                      { deltaX: 20, lineOrPageDeltaX: 1, ctrlKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetWheelEvent (wheel, both)",
    targetID: "input-text", eventType: "wheel",
    dispatchEvent() {
      document.getElementById(this.targetID).value = "";
      synthesizeWheel(document.getElementById(this.targetID), 4, 5,
                      { deltaX: 20, deltaY: 10,
                        lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetTouchEvent (touchstart)",
    target() { return document; }, eventType: "touchstart",
    dispatchEvent() {
      synthesizeTouchAtPoint(1, 2, { id: 10, rx: 4, ry: 3, angle: 0, force: 1, shiftKey: true});
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetTouchEvent (touchend)",
    target() { return document; }, eventType: "touchend",
    dispatchEvent() {
      synthesizeTouchAtPoint(4, 6, { id: 5, rx: 1, ry: 2, angle: 0.5, force: 0.8, ctrlKey: true});
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "InternalFormEvent (reset)",
    targetID: "form", eventType: "reset",
    dispatchEvent() {
      document.getElementById("form").reset();
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "WidgetCommandEvent",
    targetID: "input-text", eventType: "",
    dispatchEvent() {

    },
    canRun() {
      todo(false, "WidgetCommandEvent isn't tested");
      return false;
    },
    todoMismatch: [],
  },
  { description: "InternalClipboardEvent (copy)",
    targetID: "input-text", eventType: "copy",
    dispatchEvent() {
      document.getElementById("input-text").value = "go to clipboard!";
      document.getElementById("input-text").focus();
      document.getElementById("input-text").select();
      synthesizeKey("c", { accelKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [ ],
  },
  { description: "InternalUIEvent (DOMActivate)",
    targetID: "button", eventType: "DOMActivate",
    dispatchEvent() {
      synthesizeMouseAtCenter(document.getElementById(this.targetID),
                              { button: 0, shiftKey: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalFocusEvent (focus)",
    targetID: "input-text", eventType: "focus",
    dispatchEvent() {
      document.getElementById(this.targetID).focus();
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalFocusEvent (blur)",
    targetID: "input-text", eventType: "blur",
    dispatchEvent() {
      document.getElementById(this.targetID).blur();
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "WidgetSimpleGestureEvent",
    targetID: "", eventType: "",
    dispatchEvent() {

    },
    canRun() {
      // Simple gesture event may be handled before it comes content.
      // So, we cannot test it in this test.
      todo(false, "WidgetSimpleGestureEvent isn't tested");
      return false;
    },
    todoMismatch: [],
  },
  { description: "InternalTransitionEvent (transitionend)",
    targetID: "a", eventType: "transitionend",
    dispatchEvent() {
      document.getElementById(this.targetID).focus();
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalAnimationEvent (animationend)",
    targetID: "animated-div", eventType: "animationend",
    dispatchEvent() {
      document.getElementById(this.targetID).className = "slidin";
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalMutationEvent (DOMAttrModified)",
    targetID: "animated-div", eventType: "DOMAttrModified",
    dispatchEvent() {
      document.getElementById(this.targetID).setAttribute("x-data", "foo");
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalMutationEvent (DOMNodeInserted)",
    targetID: "animated-div", eventType: "DOMNodeInserted",
    dispatchEvent() {
      var div = document.createElement("div");
      div.id = "inserted-div";
      document.getElementById("animated-div").appendChild(div);
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "InternalMutationEvent (DOMNodeRemoved)",
    targetID: "animated-div", eventType: "DOMNodeRemoved",
    dispatchEvent() {
      document.getElementById("animated-div").removeChild(document.getElementById("inserted-div"));
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "PointerEvent (pointerdown)",
    targetID: "pointer-target", eventType: "mousedown",
    dispatchEvent() {
      var elem = document.getElementById(this.targetID);
      var rect = elem.getBoundingClientRect();
      synthesizeMouse(elem, rect.width / 2, rect.height / 2,
                      { type: this.eventType, button: 1, clickCount: 1, inputSource: 2, pressure: 0.25, isPrimary: true });
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
  { description: "PointerEvent (pointerup)",
    targetID: "pointer-target", eventType: "mouseup",
    dispatchEvent() {
      var elem = document.getElementById(this.targetID);
      var rect = elem.getBoundingClientRect();
      synthesizeMouse(elem, rect.width / 2, rect.height / 2,
                      { type: this.eventType, button: -1, ctrlKey: true, shiftKey: true, altKey: true, isSynthesized: false });
    },
    canRun() {
      return true;
    },
    todoMismatch: [],
  },
];

async function doTest(aTest) {
  if (!aTest.canRun()) {
    SimpleTest.executeSoon(runNextTest);
    return;
  }
  gEvent = null;
  gCopiedEvent = [];
  gDescription = aTest.description + " (gCallPreventDefault=" + gCallPreventDefault + ")";
  var target = aTest.target ? aTest.target() : document.getElementById(aTest.targetID);
  target.addEventListener(aTest.eventType, onEvent, true);
  gCallback = function() {
    target.removeEventListener(aTest.eventType, onEvent, true);
    ok(gEvent !== null, gDescription + ": failed to get duplicated event");
    ok(!!gCopiedEvent.length, gDescription + ": count of attribute of the event must be larger than 0");
    for (var i = 0; i < gCopiedEvent.length; ++i) {
      var name = gCopiedEvent[i].name;
      if (name == "rangeOffset") {
        todo(false, gDescription + ": " + name + " attribute value is never reset (" + gEvent[name] + ")");
      } else if (name == "eventPhase") {
        is(gEvent[name], 0, gDescription + ": mismatch with fixed value (" + name + ")");
      } else if (name == "rangeParent" || name == "currentTarget") {
        is(gEvent[name], null, gDescription + ": mismatch with fixed value (" + name + ")");
      } else if (aTest.todoMismatch.includes(name)) {
        todo_is(gEvent[name], gCopiedEvent[i].value, gDescription + ": mismatch (" + name + ")");
      } else if (name == "offsetX" || name == "offsetY") {
        // do nothing; these are defined to return different values during event dispatch
        // vs not during event dispatch
      } else {
        is(gEvent[name], gCopiedEvent[i].value, gDescription + ": mismatch (" + name + ")");
      }
    }
    if (!testWillCallRunNextTest) {
      runNextTest();
    }
  };
  var testWillCallRunNextTest = await aTest.dispatchEvent();
}

var gIndex = -1;
function runNextTest() {
  if (++gIndex == kTests.length) {
    if (gCallPreventDefault) {
      finish();
      return;
    }
    // Test with a call of preventDefault() of the events.
    gCallPreventDefault = true;
    gIndex = -1;
    // Restoring the initial state of all elements.
    document.getElementById("scrollable-div").style.height = "30px";
    document.getElementById("scrollable-div").style.width = "30px";
    document.getElementById("scrolled-div").style.height = "10px";
    document.getElementById("scrolled-div").style.width = "10px";
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Beweissystem der NASA

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Cephes Mathematical Library

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