Add js code in header, footer, product page, order success page. From admin extension. Some tags will be replaced with matching product and order info

You can also add and html

Easy implement third party apps

Demo

http://demo.plusmotiv.com/3.0.2.0/upload/admin/index.php?route=extension/module/js_code&user_token=VQHvCNAv7QOuxR67GhUlLOEg1kWOJUwL

Login with admin / admin

Or from modules find Add javascript on pages

Installation:
Install module from extension installer
Refresh modifications
Edit module Add javascript on pages Module

Usage:

In product and order text area you can use tags that will be replaced with matching product and order info

Tags that can be used for product

[[product_id]]
[[name]]
[[description]]
[[meta_title]]
[[meta_description]]
[[meta_keyword]]
[[tag]]
[[model]]
[[sku]]
[[upc]]
[[ean]]
[[jan]]
[[isbn]]
[[mpn]]
[[location]]
[[quantity]]
[[stock_status]]
[[image]]
[[manufacturer_id]]
[[manufacturer]]
[[price]]
[[special]]
[[reward]]
[[points]]
[[tax_class_id]]
[[date_available]]
[[weight]]
[[weight_class_id]]
[[length]]
[[width]]
[[height]]
[[length_class_id]]
[[subtract]]
[[rating]]
[[reviews]]
[[minimum]]
[[sort_order]]
[[status]]
[[date_added]]
[[date_modified]]
[[viewed]]

For order:

[[total]]
[[order_id]]
[[sub_total]]
[[tax]]
[[shipping]]
[[coupon]]
[[discount]]
[[iso_code]]