javascript - Passing variables through to AJAX -


i have variables pass ajax call:

e.g.

var moo = "cow noise";  $.ajax({     type: "post",     url: "",     data: "",     success: function(data){             //return variable here             alert(moo);     } });

however, moo comes undefined.

note, i've left url , data empty on purpose - populated in code.

i guess code might have been wrapped in $(function(){ ... }); jquery thing. remove var make window.moo = "cow noise"; works, pollutes namespaces not want.

do not try pollute global namespace, make other code hard debug. use closure should solve issue:

var moo = "cow noise";  (function(moo){     $.ajax({         type: "post",         url: "",         data: "",         success: function(data){             //return variable here             alert(moo);         }     }); })(moo);

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