Jquery radio button preventDefault on click event, if ajax fails -


I have a radio button that gives Ajax request and feedback executed on click. The result is returned to success variable ( true or false ). What do I need to check radio only when AJAX succeeds but it is marked before Ajax. 

  $ ('input [type = "radio"]'). ('Click', function (e) {var success = callAjax (); if (! Success) e.preventDefault ();});

Upd.

The reason for using preventDefault is to check the previous radio button, not just uncheck the current. 

  $ ('input [type = "radio"]') .on ('click ', Function (e) {var success = callAjax (); if (! Success) {$ (this) .prop (' checked ', false);}});

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