Inheriting an Object

When creating a new object that inherits another object we can use the Spread syntax to inherit the parent object.

object1:{
    a: 10,
    b: 20
};

object2:{
    ...object1,
    c: 14
};

In React the three dots (…) notation is used as the Spread syntax and Rest parameter that has been part of React for a long time when it could be used via transpilation, although, it has been made a part of JavaScript as part of the ES2015 syntax.

The Spread syntax is used to deconstruct an array or object into separate variables where the exact number of elements in the array may not be known or when we wish to keep an attribute or a set of attributes separate from the entire object.

Three dots (…) can be used as follows: