lovecoding
/
J250419


			
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							<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


    <script>
        /*创建Object对象，调用Object函数*/
        var obj = new Object();
        obj.a=15;
        obj.b=66;
        console.log(obj.a);
        console.log(obj.b);

        /*正常的方式创建对象*/
        var obj1={
            name:"张三",
            age:25,
            sex:"男",
            eat:function (){
                return this.name+"在吃饭";
            }
        }
        console.log(obj1.name);
        console.log(obj1.age);
        console.log(obj1.sex);
        console.log(obj1.eat());

        var person={
            name:"张三",
            age:25,
            sex:"男",
            eat:function (){
                return this.name+"在吃饭";
            }
        }

        /*Math对象的常用方法*/
        var n1 = Math.max(15,8);
        console.log(n1);

        var str="张三";
        str.substring(0,3);

        var date=new Date();
        console.log(date)

    </script>
</body>
</html>