javascript pattern

-- HikaShop version -- : 2.4.0
-- Joomla version -- : 2.5.28
-- PHP version -- : 5.4

Hi
I focus on the com_hikahsop/views/product/view.html.php file
Can i know more about how hikashop use javascript ?

for example things like this
-hks see namespace module pattern window.hikashop :is there anothers ?
-hks use variable HIKASHOP_IMAGE : where is create store this variable definition ?)

regard's