In JavaScript, enumeration across regular (non-Array) Objects is often more painful than it should be. Arrays are merrily dispatched through for
and while
loops using all manner of crazy, fun techniques; Objects are forever at the mercy of the pedestrian, one directional for-in
loop, without which we can’t even learn the names and length of its own property set. Arrays have access to a plethora of elegant higher order functions (forEach
, map
, filter
etc.); Objects don’t. Until now, that is.
Continue reading “Rethinking JavaScript Object Enumeration”
Tag: object keys arrays