//通过数组存储数据
var zs = ['张三','男',160,160]
console.log("name:"+zs[0]);
//通过对象object存储数据
var ls = {"name":"李四","age":18}
//数组与对象相组合存储数据，对象作为数组的元素。
var infos = [
{"name":"李四一","age":21},
{"name":"李四二","age":34},
{"name":"李四三","age":55}
]
console.log("李四一的信息：name:"+infos[0].name+",age:"+infos[0]["age"]);
//
//遍历李四二的信息,infos[1]把key值传给k.
for(var k in infos[1]){
console.log("k的值："+k);
console.log(k+":"+infos[0][k]);
}
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