<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<script>
//字面量的方式创建对象
var obj0 = {}
console.log(obj0)
var obj = {
name: "du",
age:100,
location: "南昌"
}
console.log(obj)
//内置构造函数
var obj2 = new Object()
console.log(obj2)
obj2.name = "xiaoming"
obj2.age = 18
console.log(obj2)
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<script>
var obj = {}
console.log(obj)
obj.name = "kewin"
obj.age = 100
obj.location = "大连"
console. log(obj)
//查
document.write("姓名是"+obj.name)
//改
obj.age = 200
console.log(obj)
//删
// obj.name = ""
delete obj.name
console.log(obj)
//2-增
var obj2 = {}
// var name = "aaa"
obj2["name"] = "Du"
console.log(obj2)
//2-查
console.log(obj2["name"])
//3-改
obj2["name"] = "du22"
console.log(obj2)
//2-删除
delete obj2["name"]
console.log(obj2)
</script>
</body>
</html>
标签：obj2,console,log,对象,object,var,obj,name From： https://www.cnblogs.com/dutianyu/p/17911290.html