A new method for creating javascript objects Object. create () _ javascript skills

This article mainly introduces a new method for creating javascript objects, Object. create (). For more information, see What is Object. create?
Object. create (proto [, propertiesObject]) is a new object creation method proposed in E5. the first parameter is the prototype to be inherited. If it is not a subfunction, you can pass a null parameter. The second parameter is the object's attribute descriptor. this parameter is optional.
For example:

function Car (desc) {  this.desc = desc;  this.color = "red";} Car.prototype = {  getInfo: function() {   return 'A ' + this.color + ' ' + this.desc + '.';  }};//instantiate object using the constructor functionvar car = Object.create(Car.prototype);car.color = "blue";alert(car.getInfo());

Result:A blue undefined.

1. Detailed description of the propertiesObject parameter: (both are false by default)
Data attributes:

• Writable: whether the data can be written at will
• Retriable: can it be deleted or modified?
• Enumerable: can be used for in enumeration?
• Value: value

Access attributes:

• Get (): Access
• Set (): set
  

2. Example: You can see how to use it directly.

  Yupeng's document