How best to determine if an argument is not sent to the JavaScript function

Question

I have now seen 2 methods for determining if an argument has been passed to a JavaScript function. I\'m wondering if one method is better than the other or if one is just ba

Answer 1

function example(arg) {
  var argumentID = '0'; //1,2,3,4...whatever
  if (argumentID in arguments === false) {
    console.log(`the argument with id ${argumentID} was not passed to the function`);
  }
}

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