Function assignIn

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

    Note: This method mutates object.

    Parameters

    • target: any

      The destination object.

    • Rest ...args: any[]
      Rest

    Returns any

    Returns object.

    Since

    5.5.0

    Alias

    extend

    See

    [[assign]]

    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 }