- From: Bjoern Hoehrmann <derhoermi@gmx.net>
- Date: Fri, 28 Jun 2013 13:01:13 +0200
- To: Felipe Nascimento de Moura <felipenmoura@gmail.com>
- Cc: www-style <www-style@w3.org>
* Felipe Nascimento de Moura wrote: >I mean, nowadays websites use it to avoid unnecessary image loadings...but >they sacrifice(a lot of) the performance! It's a javascript running for >each scroll event, usually running through all the images in a loop to see >which ones are in the current visible viewport! (it is terrible or is it >just me?!) That certainly would be terrible if so, but I do note that this could be optimised considerably easily. For instance, a Quadtree could be used to limit the number of images in the inner loop. -- Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de Am Badedeich 7 · Telefon: +49(0)160/4415681 · http://www.bjoernsworld.de 25899 Dagebüll · PGP Pub. KeyID: 0xA4357E78 · http://www.websitedev.de/
Received on Friday, 28 June 2013 11:01:38 UTC