javascript - pass custom parameters to ajax request and get back the same in response -

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i make series of asynchronous ajax calls , response dumped textfile. if want identify responses got ajax calls in file, don't have unique identifier. there way send custom parameter in ajax call , same on response call made unique ajax request?

    $.ajax({     type: "post",     url: posturl, // location of service     data: postdata, //data sent server     contenttype: "application/json", // content type sent server     crossdomain: true,     async: true,     password : attr,     success: function(data,success) {              }    });

so, using code snippet above, without moving it's own function, can this

... ... inputidentifer = 'this sort of identifying value'; (function(identifier) {     $.ajax({         type: "post",         url: posturl, // location of service         data: postdata, //data sent server         contenttype: "application/json", // content type sent server         crossdomain: true,         async: true,         password: attr,         success: function(data, success) {             console.log(identifier);         }     }); }(inputidentifier)); ... ...

you'll see success function has identifier


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