Placeholder+renderImage design for lots of images

[mingyuan-xia]

Hi, nice work. Basically I am using the coverflow to show all images in a local folder (with Electron).
Sometimes I can get over 1k to 20k images, which eats a lot of memory because every one of them is rendered as an img and starts loading once the coverflow is created.
Since we have the nice displayQuantityOfSide property, is there a way to lazily call a method renderImage once an item should appear?

[asalem1]

@mingyuan-xia that's a great question. I can see about creating a future iteration of that in the project as it sounds like something that could be useful and fun to implement