Access local variable inside a callback function

Question

var inner = function() { console.log(x); }

// test 1
(function(cb) { var x = 123; cb(); })(inner);

// test 2
(function(cb) { var x = 123; cb.apply(this); })(inner);

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Answer 1

Have you tried using events? Emit an event inside the anonymous function, then subscribe to it in your own function somewhere else that carries out your logic.