如何在 CoffeeScript 中使用 for (var key in object) 。
for (_i = 0, _len = object.length; _i < _len; _i++) { key = object[_i];
但是我只想迭代一个对象。
of keyword:
of
for key, value of obj
or to make sure you're only checking properties on this object (and not the prototype chain):
for own key, value of obj
for key of object
Try it in js2coffee