function name(name = 'noname') {
 console.log(name);
}
name()

function name(name) {
 var name = name || 'noname'
 console.log(name);
}
name()

function name() {
  var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'noname';

  console.log(name);
}
name();

> "" || "default"
-> "default"