In programming, the less code you have to implement the better; for this a tool like JavaScript Photo Viewer is always appreciated. It is a free JavaScript file (JS) to be called upon and used from webpages and so be able to use all its functions without having to implement them.
This script is very basic but will be useful. It lets you create a graphic viewer to show photo galleries. Also, JavaScript Photo Viewer comes equipped with various examples so you can see how the script works and the parameters you need to transfer to create these galleries.
JavaScript Photo Viewer is, without doubt, a script that all programmers will appreciate because it will save you a lot of time and effort.