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In Jquery Ajax ,Can we get response value as corresponding function return value

 checkSucess = function() { // Jquery Ajax with url,params and response doPost('sucess.php', 'first=' + first, function(response) { }); return response;// 'response' here is the value of response

How to return ajax response value of a function ,which is called from other function

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when it's asynchronus you can't do it the way you want
if your sure that it the request will not last very long then make it async: false and see 

checkSucess = function() { var result; //make it synchronus $.ajaxSetup({async:false}); doPost('sucess.php', 'first=' + first, function(response) { //get the response result = response; }); //make it asynchronus $.ajaxSetup({async:true}); return result; }
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If request takes too long ,then what would be result ?
the user navigator will hang for a while !! we gotta try to make a better workaround
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You could define some global variable and assign the ajax response to it:

 var someGlobal; checkSucess = function() { // Jquery Ajax with url,params and response doPost('sucess.php', 'first=' + first, function(response) { someGlobal = response; }); return someGlobal;

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