I'm trying to pass parameters to a function used as callback. How can I do that?

This is my try: 

function tryMe(param1, param2) {
  alert(param1 + " and " + param2);
}

function callbackTester(callback, param1, param2) {
  callback(param1, param2);
}

callbackTester(tryMe, "hello", "goodbye");

javascript callback parameter-passing
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