表示是否调换这两个数的顺序,a-b –> 小到大,b-a –> 大到小
2.2 例1:无参sort()对字符串数组排序
var arr = new Array(5);
arr = ["csxiaoyao","sunshine...","studio","sunshine studio","sun"];
console.log(arr.sort().toString());
输出:
csxiaoyao,studio,sun,sunshine...,sunshine studio
2.3 例2:无参sort()对Number数组排序
var arr = new Array(5)
arr = [80,70,700,7,8];
console.log...=name;
this.age=age;
}
objectList.push(new Person('csxiaoyao',20));
objectList.push(new Person('sunshine...objectList.length;i++){
console.log(objectList[i].name+" "+objectList[i].age);
}
输出:
csxiaoyao 20
sunshine