问题描述
我想在Fancybox2画廊中预加载下一张图像，但是我不知道是否可能.我知道如何通过创建一个新的Image()对象并设置src属性来预加载和图像，但是我不知道我应该使用哪个Fancybox回调.是否有人知道启动或结束显示当前图像时触发了哪个Fancybox事件?
I would like to preload the next image in a Fancybox2 gallery, but I don't know if that's possible. I know how to preload and image by creating a new Image() object and setting the src attribute, but I don't know which Fancybox callback should I use.Does anyone know which Fancybox event is triggered when it starts or it finishes displaying the current image?
因此答案是:只需使用2.0.5及更高版本即可利用preload设置，该设置默认情况下会预加载3张图像.
So the answer is: simply use 2.0.5 and above to take advantage of the preload setting, which preloads 3 images by default.
推荐答案
fancyBox2，因为v2.0.5具有选项preload-要预加载的图像数量，默认情况下会预加载3张图像
fancyBox2 since v2.0.5 has an option preload - number of images to preload and it preloads 3 images by default
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