call var in function to outside the function

Question

I'm trying to call this variable outside the function but I get undefined as a result. I understand without var the variable could be called in global scope but i get undefined. I also tried setting the var outside the function and calling it but no success also. Here's my simplified code thank you :)

function function1() {

  $.getJSON('random.json')

    .success(successfunction)

    .error(failfunction);



  function successfunction(data) {

    testvar = (data.name);

  }

  function failfunction(error) {

    console.log(error);

  }

};



console.log(testvar);

used

$( document ).ajaxStop(function() {}

to load the var after ajax load.

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Answer 1

if you want global scope attach your variable to global object like window

function successfunction(data){
    window.testvar = "var";
}

By that you will be sure that it becomes global .

However, you should note that successfunction is a callback that will be running later on : it is running after timeout & only if the ajax call succeeded .

call var in function to outside the function

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