closed as too broad by 7ochem, Rajeev K Tomy, liyakat, Fabian Schmengler, Keyul Shah Jul 6 '15 at 16:12
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
I highly recommend to NOT use SOAP. I think SOAP with JS is horrible, because you can not easily create all stubs and stuff, which you canc reate in every other language - if you can, do it!
Instead I recommend to use the REST API: http://www.magentocommerce.com/api/rest/introduction.html#RESTAPIIntroduction-Products
I created a very simple adapter here: https://github.com/sgh-it/jsonrpc