JavaScript? ??? ?? ??: ?? ??

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JavaScript, ?? ????? ???? ??? ???? ???? ?? ??? ??? ?????. ??? ? ?? ???? ??? ??? ??? ????. ? ????? ??? ??? ?? ??? ??? ??? ??? ???? ???? ?? ??? ?? ???? ??? ????.

?? ?? ???

?? ?? ?? ??? ???? ??? ?????? ????? ?????. ?? ??? ??? ????.

function Person(name, gender) {
    this.name = name;
    this.gender = gender;
}

// Define methods using the prototype chain
Person.prototype.speak = function() {
    alert("Howdy, my name is " + this.name);
};

// Create new instances using 'new'
var person = new Person("Bob", "M");

// Invoke methods
person.speak(); // Alerts "Howdy, my name is Bob"

????? ?? ??

JavaScript? ?? ??? ?? ????? ?? ?? ??? ?????. ??? ??????? ??? ???? ???? ??? ???? ???? ??? ???? ??? ?????. ? ?? ??? ??? ?? ????.

function Person() {
    this.name = "";
    this.gender = "";
}

Person.prototype = {
    // Define properties and methods
    speak: function() {
        alert("Howdy, my name is " + this.name);
    }
};

// Create new instances
var person1 = new Person();
person1.name = "Alice";

// Invoke methods
person1.speak(); // Alerts "Howdy, my name is Alice"

ES6 ???

ES6? ?? ??? ??? ?? ?????? ??? ??? ??????. ??:

class Person {
    constructor(name, gender) {
        this.name = name;
        this.gender = gender;
    }

    speak() {
        alert("Howdy, my name is " + this.name);
    }
}

// Create new instances
let person2 = new Person("Bob", "M");

// Invoke methods
person2.speak(); // Alerts "Howdy, my name is Bob"

???

• ???: ?? ?? ??? ?? ??? ????? ?? ? ??? ?????. ???.
• ??: ????? ?? ??? ???? ????? ???? ?? ????? ? ??? ? ????. ES6 ???? ??? ?? ? ??? ??? ?????.
• ???: ?? ?? ???? ????? ?? ??? ?? JavaScript ???? ???? ??, ES6 ????? ?? ???? ?? ?????? ??? ?????.
• ?? ??: ES6 ???? ??? ? ?? ??? ???? ??, ?? ?? ? ????? ?? ?? ??? ??? ?????.

??

JavaScript?? ??? ??? ?? ??? ???? ?? ????? ???, ??? ?? ?? ? ???? ?? ???? ?? ????. ?? ?? ???? ??? ??????? ???? ????? ?? ??? ???? ???? ES6 ???? ????? ???? ?? ??? ?????. ? ??? ??? ???? ?????? ???? ??? ???? ??? ?? ??? ??? ??? ?? ? ????.

? ??? ?? JavaScript ??? ?? ??? ???? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!