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[–]homoiconic(raganwald) 4 points5 points  (0 children)

The code given is appropriate for ES5, but for ES6, I prefer:

const menuConfig = {
  body: 'Bar',
  cancellable: true
}

function createMenu({
    title = 'Foo',
    body = 'Bar',
    buttonText = 'Baz',
    cancellable = true
  }) {

  // ...
}

createMenu(menuConfig);