jquery - AJAX requests waiting for each other even though they are async? -

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it seems ajax requests waiting each other without reason. make them async, in fact code:

$.ajax({     url: e.action,     data: getfilterdata(),     type: "post" }).done(function (data) {     // }

when fire 3 times actions different, so: first time need 100ms, second 5ms , third 5ms. in network tab see second coming after 105ms, not 5, , third after 110ms not 5ms.

so seems async calls handled in kind of queue system in mvc on server side , don't know why.


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