Most importantly, synchronous request blocks JavaScript engine until the interaction with the server is complete. The user cannot click away, cancel request, or go to another tab during this time. It is bad for user experience and that is why we have AsynchronousJAX. (AJAX)
Posts Tagged ‘synchronous asynchronous JS’
Explain the difference between synchronous and asynchronous JS request?
Posted: October 6, 2011 in FAQ, HTML, Java Script, Web DeveloperTags: JS Script Java Script, synchronous asynchronous JS
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