JavaScript: Reflect.ownKeys

By Xah Lee. Date: . Last updated: .

New in JS2015.

Reflect.ownKeys(obj)
Return a Array of the object's keys. (including Symbol keys and non-enumerable keys.)
const obj = {
 "y": 3,
 [Symbol("x")] : 4,
};

// list all properties of a object
console.log( Reflect.ownKeys(obj) ); // prints [ 'y', Symbol(x) ]
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