Javascript-Object. create ()

1. 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, and the second parameter is the property of the object... syntaxHighlig 1. object. what is 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, copy the code 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 (); copy the code to A blue undefined. 2. propertiesObject parameter description: (both are false by default) Data Attribute writable: can write retriable: can be deleted, can be written? Modified enumerable: Can I use for in enumeration value: value access attribute: get (): Access set (): set 3. Example: See the example to know how to use it. Copy code Yupeng's document