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The DelegatePaintPanel subclass allows any image to be the background of any other (partially transparent) component.

delegatepaintpanel子类允许任何图像作为任何其他(部分透明)组件的背景。

youdao

There is one interesting function that doesn't totally hide or show a page element, and that's the fadeTo() function, which lets a page element be made partially transparent.

有一个很有趣的函数，它可部分隐藏和显示页面元素，此函数是 fadeTo()，它能让页面元素部分透明。

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