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 12,345,771 websites jQuery BlockUI Customers. We know of 4,596,226 live websites using jQuery BlockUI and an additional 7,749,545 sites that used jQuery BlockUI historically and 1,829,000 websites in the United States.
Get a list of 12,345,771 websites using jQuery BlockUI which includes location information, hosting data, contact details, 4,596,226 currently live websites and an additional 2,222,708 domains that redirect to sites in this list. 7,749,545 sites that used this technology previouslyand 1,829,000 websites in the United States currently using jQuery BlockUI.
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