3-3.txt

开发王代码 代码

var person = new Array();
person["sex"] = "male";
person["age"] = 28;
person["birthday"] = new Date(1970, 0, 1);
document.write(person["sex"] + ", " + person["age"]);//输出 male,28




var person = new Object();
person.sex = "male";
person.age = 28;
person.birthday = new Date(1970, 0, 1); 



document.write(person.sex); // 输出male
document.write(person["sex"]); //输出male