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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>
- var arr = [];
- // 1.定义对象
- var obj = {};
- // 对象名.对象属性名 = 属性值
- obj.name = "lucy";
- obj.address = "中国";
- obj.age = 5;
- console.log(obj.address);
- // 2.定义对象
- var obj1 = new Object();
- obj1 = {
- name: "LiLi",
- age: 19,
- address: "哈尔滨",
- };
- console.log(obj1);
- // 遍历数组对象
- var newList = [
- {
- name: "LiLi",
- age: 19,
- address: "哈尔滨",
- },
- {
- name: "Lucy",
- age: 29,
- address: "北京",
- },
- {
- name: "NaNa",
- age: 39,
- address: "天津",
- },
- ];
- for (var i = 0; i < newList.length; i++) {
- console.log(newList[i]);
- document.write(newList[i].address + "<br>");
- }
- // break continue return
- // function fn1(a,b) {
- // var sum = a + b;
- // console.log(sum)
- // }
- // fn1(2,3)
- // function fn2(a,b) {
- // return a+b;
- // }
- // console.log(fn2(2,3));
- // 调取对象中函数的方法
- var obj = {
- name: "XMing",
- age: 18,
- tips: function (a, b) {
- return console.log(a * b);
- },
- };
- obj["tips"](2,3);
- </script>
- </body>
- </html>
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