_.extend

_.assignIn(object, [sources])

This method is like _.assign except that it iterates over own and inherited source properties.

Note: This method mutates object.

Since

4.0.0

Aliases

_.extend

Arguments

1. object (Object): The destination object.
2. [sources] (...Object): The source objects.

Returns

(Object): Returns object.

Example

function Foo() {
  this.a = 1;
}
 

function Bar() {
  this.c = 3;
}
 
Foo.prototype.b = 2;
Bar.prototype.d = 4;
 
_.assignIn({ 'a': 0 }, new Foo, new Bar);
// => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }