Why is there so many ways of creating objects in javascript, and which one should i follow?

Answer 1

There are three main ways of creating objects:

- Object Literals
- Constructor functions
- ES2015 Classes

---

Object Literals

var O = {
a: 1,
b: 2
}

These are used for very basic objects and for quick use. They don't need to have the new keyword before them as the object is created for a single variable.

---

Constructor functions

functions O() {
this.a = 1;
this.b = 2;
}

var Obj = new O();

These are one of the most common forms of make objects. Many browsers support this form.

Using this form, we can create multiple objects.

---

ES6 classes

class O {
constructor() {
this.a = 1;
this.b = 2;
}
}

var Obj = new O()

This is one of my most favourite forms of making objects.

It is new and IE does not support it...

Answer 2

Yup, Victor is spot on!

Answer 3

It's a pleasure Sun Lun!

Answer 4

Since ES6 classes is your favorite then use it. Just use a transpiler like babel for backward compatibility.

Answer 5

Very helpful...tq

Answer 6

What makes the second form better than the last form?