The splash screen is an image that appears while the application is loading.
闪屏是应用程序加载时出现的一个图片。
Whether it's pre-loading image rollovers or initialing an XmlHttpRequest object for a later Ajax request or assigning event handlers, it's your code that takes time.
是否预加载图像翻转或初始化xmlhttprequest对象以用于稍后的Ajax请求，或分配事件处理程序，您的代码将花时间处理这些问题。
Creates and returns an image object by loading the image data from the file at the specified path.
从指定的路径加载图片信息并返回创建的图片对象。
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