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Learn about the MouseEvent interface, including its constructor, properties, and methods, specifications and browser compatibility.
Learn about the MouseEvent.layerX property, including its type, code examples, specifications, and browser compatibility.
The MouseEvent() constructor creates a new MouseEvent. Syntax event = new MouseEvent(typeArg, mouseEventInit); Values typeArg Is a DOMString representing the name of the event. mouseEventInit Optional Is a MouseEventInit dictionary, having the following fields: "screenX", optional and defaul...
element.onclick =functionRef; functionRef是一个函数:通常是在别处声明的函数名或者是一个函数表达式(function expression)。可以查看 "JavaScript Guide:Functions" 了解更多。 传递给指定事件句柄函数的事件对象是一个MouseEvent。句柄里的 this 值是触发事件的元素。
PointerEvent()constructor options.altitudeAngleparameter options.azimuthAngleparameter altitudeAngle azimuthAngle getCoalescedEvents getPredictedEvents height isPrimary persistentDeviceId Experimental pointerId pointerType Fractional coordinates formouse. pressure ...
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{ this...{ myEvents.fireEvents(["once", "infinity"]); } }; 实现类似jquery$符号 用doucment.createEvent创建事件...; }, funAlert2 = function() { alert("自定义alert事件再次弹出!")...; }); 参数 事件 初始化方法 HTMLElements HTMLEvent initEvent() MouseEvents MouseEvent initMouseEvent() ...
> **Note:** The `PointerEventInit` dictionary also > accepts fields from the {{domxref("MouseEvent.MouseEvent","MouseEvent")}}, - > {{domxref("UIEvent.UIEvent", "UIEventInit")}} and {{domxref("Event.Event", - "EventInit")}} dictionaries. + > {{domxref("UIEvent.UIEvent",...
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