//这里隐藏对象的自有构造,以及length
var map = function(fuc, ls){for(i in ls){ls.hasOwnProperty(i) && ls[i] != ls.length ? fuc(ls[i]) : 0}}
map(function(i){console.log(i)}, data)
//这里隐藏对象的自有构造,以及length
var map = function(fuc, ls){for(i in ls){ls.hasOwnProperty(i) && ls[i] != ls.length ? fuc(ls[i]) : 0}}
map(function(i){console.log(i)}, data)