jQuery version 1.4.2
https://blog.jquery.com/2010/02/19/jquery-142-released/
JavaScript Libraries and Functions
Get access to data on 4,101,504 websites that are jQuery 1.4.2 Customers. We know of 428,414 live websites using jQuery 1.4.2 and an additional 3,673,090 sites that used jQuery 1.4.2 historically and 235,734 websites in the United States.
Get a list of 4,101,504 websites using jQuery 1.4.2 which includes location information, hosting data, contact details, 428,414 currently live websites and an additional 253,887 domains that redirect to sites in this list. 3,673,090 sites that used this technology previously and 235,734 websites in the United States currently using jQuery 1.4.2.
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