console.log(Object.create({}, {
  a: {
    value: 1.enumerable: true
  },
  c: {
    value: 123
    // The default is not enumerable}}));Copy the code

Executing the code above in the browser environment, you can see that the printed object has two properties: A and C. But the C property looks like a hidden property and is darker

Running in the Node environment, you see only one A attribute