jQuery BlockUI Plugin lets you simulate synchronous behavior when using AJAX, without locking the browser.
https://jquery.malsup.com/block/
JavaScript Libraries and Functions
Get access to data on 13,806,937 websites that are jQuery BlockUI Customers. We know of 4,989,546 live websites using jQuery BlockUI and an additional 8,817,391 sites that used jQuery BlockUI historically and 2,034,059 websites in the United States.
Get a list of 13,806,937 websites using jQuery BlockUI which includes location information, hosting data, contact details, 4,989,546 currently live websites and an additional 2,365,195 domains that redirect to sites in this list. 8,817,391 sites that used this technology previouslyand 2,034,059 websites in the United States currently using jQuery BlockUI.
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