Map Object To Object Javascript

Creating an object from entries is what you’re looking for when creating a plain object from a map instance. The latter in particular makes it impossible to just pass a function reference in the callback, requiring an in. Var configoptions = { isactive:

The latter in particular makes it impossible to just pass a function reference in the callback, requiring an in. While the key of a map can be of any type. Static properties get map [@@species] the constructor function that is used to create derived objects.

@amberlamps your.reduce example is ok, but imho it still falls a long way short of the convenience of a.map for objects, since your.reduce callback not only has to match the way that.reduce works, but also requires that myobject be available in the lexical scope.

Maps is a collection of keyed data items, just like an object. Use the general map () method to create a map function for objects in javascript using the native map () function, this method can achieve the desired results. Keys on objects are strings, on maps keys are of any type. Javascript objects vs maps differences between javascript objects and maps: