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@@ -0,0 +1,73 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <meta charset="UTF-8" />
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0" />
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+ <title>Document</title>
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+ </head>
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+ <body>
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+ <script>
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+ // () [] {}
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+ var obj = {};
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+ // 向对象内添加属性 obj.xxx(属性名) = aaa（属性值）
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+ obj.name = "小红";
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+ obj.age = 90;
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+ obj.sex = "女";
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+ console.log(obj);
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+ console.log(typeof obj);
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+ var obj1 = {
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+ name: "孙悟空",
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+ desc: "他是齐天大圣",
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+ };
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+ // 读取对象中的属性值 obj.xxx(属性名)
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+ console.log(obj1);
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+ console.log("他叫:" + obj1.name);
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+ var obj2 = new Object({
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+ age: 30,
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+ });
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+ obj2.name = "八戒";
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+ console.log(obj2);
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+ var newList = [
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+ {
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+ name: "Tom",
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+ address: "北京",
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+ age: 19,
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+ },
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+ {
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+ name: "Lucy",
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+ address: "重庆",
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+ age: 21,
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+ },
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+ {
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+ name: "Jack",
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+ address: "江苏",
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+ age: 29,
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+ },
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+ {
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+ name: "Jerry",
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+ address: "哈尔滨",
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+ age: 17,
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+ },
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+ ];
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+ for (var i = 0; i < newList.length; i++) {
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+ document.write(newList[i].name + "\f");
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+ }
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+ var obj3 = {
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+ name: "哪吒",
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+ age: 7,
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+ list:[1,2,3,4],
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+ skill: "火力全开",
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+ desc: function () {
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+ console.log("我是一个男孩");
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+ },
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+ sum: function (a, b) {
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+ return "和:" +( a + b)
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+ },
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+ };
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+ obj3.desc();
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+ console.log(obj3.list[2])
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+ console.log(obj3.sum(2,3));
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+ console.log(obj3["sum"](4,4))
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+ </script>
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+ </body>
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+</html>
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