I was trying to scrap some java script data from an ecommerce website Asos which is a clothing brand. I tried to get their java script content such as price description etc. but I was not able to I tried to use scrapy selenium, but it throws a lot of exceptions plus scrapy selenium is not updated I tried to downgrade selenium to be compatible with scrapy selenium version. Still I was not able to solve the problem. I also by using developer tools in browser try to create a request to java script content site but error 404 arises in both scrapy and in browser. What can be the best practice to scrap all types of data using scrapy?

Can someone help me to find the best API for scraping Amazon Product using ASIN,
or just know python libraries who can do the same things?