var a=
{
"_id" : 1,
"name" : "abc",
"age" : 13,
"color" : "WHITE",
"birthday" : "2000-12-10"
}
{
"_id" : 2,
"name" : "edf",
"age" : 13,
"color" : "BLACK",
"birthday" : "2000-11-10"
}
任务目标:知道怎么读写
var a=
{
"_id" : 1,
"name" : "abc",
"age" : 13,
"color" : "WHITE",
"birthday" : "2000-12-10"
}
{
"_id" : 2,
"name" : "edf",
"age" : 13,
"color" : "BLACK",
"birthday" : "2000-11-10"
}
任务目标:知道怎么读写