Javascript 在 CoffeeScript 中 for (var key in object)?

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时间:2020-08-23 21:42:30  来源:igfitidea点击:

for (var key in object) in CoffeeScript?

javascriptcoffeescript

提问by fancy

How can I use for (var key in object) in CoffeeScript? It compiles to...

如何在 CoffeeScript 中使用 for (var key in object)?它编译为...

for (_i = 0, _len = object.length; _i < _len; _i++) {
    key = object[_i];

...but I just want to iterate though an object.

...但我只想遍历一个对象。

回答by Raynos

for key of object

for key of object

Try it in js2coffee

js2coffee 中尝试

回答by Mark Kahn

ofkeyword:

of关键词:

for key, value of obj

or to make sure you're only checking properties on this object (and not the prototype chain):

或者确保您只检查此对象的属性(而不是原型链):

for own key, value of obj