What's the fastest way to iterate over an object's properties in Javascript?

Question

I know that I can iterate over an object\'s properties like this:

for (property in object)
{
    // do stuff
}

I also know that the fastest

Answer 1

You could alternatively use Object.getOwnPropertyNames to get the keys of the object.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames

var obj = {a:"a",b:"b"}
///{a: "a", b: "b"}
var keys = Object.getOwnPropertyNames(a)
///(2) ["a", "b"]