<html>
<body>
<h1>使用 new Object()创建一个对象</h1>
<p id="demo"></p>
<script>
// definition1 : 创建一个person 对象
var person = new Object();
person.age = 18;
person.name = "Ethan";
document.getElementById("demo").innerHTML = (person.age);
//注意innerHTML 后面是等于
document.write(person.age + "<br>");
// definition2:
var person2 = {
"name": "Gokop",
"age": "18"
};
document.write(person2.name + "<br>");
//definition 3:
var person3 = {};
person3["name"] = "LeoWang";
person3["age"] = "17";
document.write("person3: " + person3.age + "<br>");
//关于Date（）及获得具体年月日的方法：
var date = new Date();
document.write(date + "<br>"); //Fri Dec 17 2021 23:27:31 GMT+0800 (中国标准时间)
var day = date.getDate();
var month = date.getMonth() + 1;
var year = date.getFullYear();
document.write(day + "/" + month + "/" + year)
// typeof:
document.write(typeof("Wang"));
</script>
</body>
</html>