concat$

Combines entries from objects, preferring last. 🏃 [:vhs:] 📦 🌔 📒

Alternatives: concat, concat$.

object.concat$(x, ...ys);
// x:  an object (updated)
// ys: other objects
// --> x

const object = require('extra-object');

var x = {a: 1, b: 2};
var y = {c: 3, d: 4};
object.concat$(x, y);
// { a: 1, b: 2, c: 3, d: 4 }

x;
// { a: 1, b: 2, c: 3, d: 4 }

var x = {a: 1, b: 2};
var z = {d: 40, e: 50};
object.concat$(x, y, z);
// { a: 1, b: 2, c: 3, d: 40, e: 50 }

references

• Array.prototype.concat: MDN web docs
• Array.add: sugarjs