[JS奇怪的世界]No.35 框架小叮嚀:空格

var firstname, lastname, language;
var person = {
  firstname: 'John',
  lastname: 'Doe'
}
console.log(person);

var
  // first name of the person
  firstname,
  // lastname name of the person
  lastname,
  // language is 'es'
  language;
var person = {
  // the first name
  firstname: 'John',
  // the first last
  lastname: 'Doe'
}
console.log(person);