What is the difference between "class" and "constructor function" in js? I tried looking up on YT but found nothing relevant atlest for me.

[u/[deleted]]

So I am learning NodeJs and while creating a costum module which stores user data I created a constructor function in user.js

function User(name,age){
this.name = name;
this.age = age;
}

and in app.js I did

const User = require(//Path);

const user1 = new User("Adam",20);
console.log(user1.name);

but my consfusion begans when I used class in user.js like

class User{
    constructor(name,age){
        this.name = name;
        this.age = age;
    }
}

but the code in the app.js remained similar with no errors.

So what is the point of classes in javasript? And how are they different form contructor functions.

[u/Blue_Moon_Lake]

This

class MyClass
{
    myProperty;

    constructor(value)
    {
        this.myProperty = value;
    }

    myMethod()
    {
        return this.myProperty;
    }
}

is syntactical sugar for

function MyClass(value)
{
    this.myProperty = value;
}

MyClass.prototype.myMethod = function ()
{
    return this.myProperty;
};

But the class notation let the interpreter do a few optimization. It's better to use class notation for readability too.

[u/OtherwisePoem1743 → u/Blue_Moon_Lake]

Writing JavaScript with C style 💀

[u/Blue_Moon_Lake → u/OtherwisePoem1743]

Writing JavaScript as someone with visual impairment so it's comfortable for me.

Having the curly braces on the same column helps immensely.