lovecoding
/
Web1020


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 构造函数
        var arr = new Array(1,2,3,4);
        var str = new String('1234');

        function Person(userName,userAge){
            this.userName = userName;
            this.userAge = userAge;
            this.talk = function(){
                console.log(`大家好我叫${this.userName}今年${this.userAge}岁了`);
            }
        }
        var person1 = new Person('张三',18);
        console.log(person1.userName);
        console.log(person1.userAge);
        person1.talk();
        var person2 = new Person('李四',20);
        console.log(person2.userName);
        person2.talk();
    </script>
</body>
</html>