How to return json in ajax request with "async: true"?

Question

JavaScript

How to return json in ajax request with "async: true" ?
Example with "async: false":

$.getText = function(text){
        var result;
        $.ajax({
            url : 'lang.json',
            async: false,
            success:function(data) {
                result = data[text];
            }
        });
        return result
    };

Answer 1

OK I understood. Thanks for the answer.