The modified onmouseup handler is a composite handler.
修改后的onmouseup处理程序是一个复合的处理程序。
An alternative is to use onmouseup to catch any mouse release and check for the right button.
作为代替可以使用onmouseup事件来检测和处理松开鼠标右键的事件。
The element's onmousedown handler is invoked, which installs onmousemove and onmouseup handlers.
此元素的onmousedown处理程序将被调用，它安装 onmousemove和 onmouseup 处理程序。
The drag handler for a drag-and-drop operation USES all three mouse handlers: onmousedown, onmouseup, and onmousemove.
针对拖放操作的拖动处理程序使用了这三个鼠标处理程序：onmousedown、onmouseup和onmousemove。
It first calls the restorer, which cleans up all the click-and-drag handlers, and then it calls the original onmouseup handler that the caller supplied.
它首先调用还原器，以清除所有的点击-拖动处理程序，然后调用调用者提供的原始的onmouseup处理程序。
When you initiate a drag-and-drop sequence and invoke this handler, it creates onmousemove and onmouseup handlers and installs them in the target element.
在初始化拖放序列并调用此处理程序时，它会创建onmousemove和onmouseup处理程序并能在目标元素内安装它们。
But before it does this, it alters the onmouseup handler so that in addition to whatever it already does, it invokes the remover, cleaning everything up automatically.
但是在此之前，它修改onmouseup处理程序，除了当前在做的事情以外，它还调用清除器，以自动清除所有东西。
But before it does this, it alters the onmouseup handler so that in addition to whatever it already does, it invokes the remover, cleaning everything up automatically.
但是在此之前，它修改onmouseup处理程序，除了当前在做的事情以外，它还调用清除器，以自动清除所有东西。
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