Your widget will need to know which HTML element to hook itself into and what content to display in its tooltip, so you'll specify these as arguments to the constructor and save them in the object.
这个部件需要知道它自己要连接到哪个 HTML 元素，以及要在工具提示中显示什么内容，所以要作为构造方法的参数指定这些，并将它们保存在对象中。
Gets or sets whether a tooltip appears for an object that is not enabled.
获取或设置相对于其来放置工具提示的对象。
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