How To Merge & Copy Objects - JavaScript Object Assign (In 2 Mins)

The object "assign" function in JavaScript lets you merge and copy objects, which can come in handy for when doing things such as setting "default options" in other functions/methods.

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[leestanford]

Very helpful and to the point. I’m just breaking into objects{} in my studies and had that groundbreaking epiphany that nearly everything IS an object or a method of an object. Suddenly, “object-oriented” makes perfect sense.

[dancehalllyrics]

If I'm not completely wrong, "copied === me" returns false, since you're comparing an empty object to a non-empty object, right?

[SilentBlueDragon]

Is there any effective difference with this and using the spread operator?

let me = { nameFirst: 'John', nameLast: 'Smith' };
let doppleganger = { ...me, nameFirst: 'John', nameLast: 'Smith' };
console.log({ me, doppleganger });