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 12,306,718 websites jQuery BlockUI Customers. We know of 5,233,722 live websites using jQuery BlockUI and an additional 7,072,996 sites that used jQuery BlockUI historically and 2,171,561 websites in the United States.
Get a list of 12,306,718 websites using jQuery BlockUI which includes location information, hosting data, contact details, 5,233,722 currently live websites and an additional 2,541,352 domains that redirect to sites in this list. 7,072,996 sites that used this technology previouslyand 2,171,561 websites in the United States currently using jQuery BlockUI.
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