Scraping with JQuery or Python?
If I'm reading your question right, you're not trying to build a web app (client- or server-side), but rather a standalone app that simply requests and downloads pages from the Web.
You can write a standalone app in JavaScript, but it's not common. The primary use of JavaScript is for code that's going to run in a user's Web browser. For standalone apps, Python is the better choice. And it has very good support (in the form of the urllib2 and related libraries) for tasks like Web scraping.
Of course, if your scraping task is relatively simple, you might be better off just using wget.
So lets say I'm scraping multiple pages (lets say a 1000) on a website. I want to know which language is best to use to scrape those pages with - javascript or python. 
Further, I've heard about javascript scrapers being faster (due to multiple get requests), but am unsure how to implement this - can anyone enlighten me? 
Thanks!