JS——对象创建

<script> ???person = new Object();//不要var ???person.firstname = "Bill"; ???person.lastname = "Gates"; ???person.age = 56; ???person.eyecolor = "blue"; ???person.say = function () { ???????console.log(person.firstname); ???} ???person.say();//Bill</script>

<script> ???var person = { ???????firstname: "John", ???????lastname: "Doe", ???????age: 50, ???????eyecolor: "blue", ???????say: function () { ???????????console.log(this.firstname); ???????} ???}; ???person.say();//John</script>

<script> ???function CreatePserson(name) { ???????var person = new Object(); ???????person.name = name; ???????person.sayHi = function () { ???????????console.log(this.name); ???????} ???????return person; ???} ???var stu1 = CreatePserson("wu"); ???stu1.sayHi();//wu</script>

<script> ???function Person(name, age) { ???????this.name = name; ???????this.age = age; ???????this.say = function () { ???????????console.log(this.name + "===" + this.age); ???????} ???} ???var per = new Person("wu",27); ???per.say();//wu===27</script>