Convert JavaScript to 4D using AI

Translation Challenges

| Challenge Description | JavaScript Syntax Example | 4D Syntax Example | Score (1-10) | |-------------------------------------------|----------------------------------------------|-------------------------------------------|--------------| | Asynchronous Programming | async function fetchData() { ... } | C_OBJECT($data); | 8 | | Prototypal Inheritance | class Animal { constructor() { ... }} | C_OBJECT($animal); | 7 | | Closures | const add = (x) => (y) => x + y; | C_LONGINT($x; $y; $result); | 6 | | Dynamic Typing | let x = 5; x = "Hello"; | C_LONGINT($x; $x := 5; $x := "Hello";)| 5 | | First-Class Functions | const greet = (name) => Hello, $; | C_TEXT($greet; $name); | 7 | | Spread Operator |const arr = [1, 2, 3]; const newArr = [...arr, 4];|ARRAY TO TEXT($arr; $newArr; 4)| 9 | | Template Literals | `` const message =Hello, $`` |C_TEXT($message; "Hello, " + $name) | 6 | | Promises |new Promise((resolve, reject) ⇒ )| C_OBJECT($promise; $promise := New object)| 8 | | Arrow Functions |const sum = (a, b) ⇒ a + b; |C_LONGINT($sum; $a; $b; $sum := $a + $b)| 7 | | Object Destructuring |const { x, y } = obj; |C_LONGINT($x; $y; $x := $obj.x; $y := $obj.y;)` | 6 |

Asynchronous Programming

JavaScript allows for asynchronous programming using async and await keywords. This can be challenging to translate into 4D, which does not have built-in support for asynchronous functions.

JavaScript Example:

async function fetchData() {
    const response = await fetch('https://api.example.com/data');
    const data = await response.json();
    return data;
}

4D Example:

C_OBJECT($data)
$data := HTTP Get("https://api.example.com/data")

JavaScript Async Functions Documentation

Prototypal Inheritance

JavaScript uses prototypal inheritance, which can be complex to represent in 4D's object-oriented model.

JavaScript Example:

class Animal {
    constructor(name) {
        this.name = name;
    }
}

4D Example:

C_OBJECT($animal)
$animal := New object("name"; "Dog")

JavaScript Classes Documentation

Closures

Closures in JavaScript allow functions to retain access to their lexical scope, which can be tricky to implement in 4D.

JavaScript Example:

const add = (x) => (y) => x + y;

4D Example:

C_LONGINT($x; $y; $result)
$result := $x + $y

JavaScript Closures Documentation

Dynamic Typing

JavaScript is dynamically typed, allowing variables to change types at runtime, which can be less flexible in 4D.

JavaScript Example:

let x = 5;
x = "Hello";

4D Example:

C_LONGINT($x)
$x := 5
$x := "Hello" // This will cause a type error

JavaScript Dynamic Typing Documentation

First-Class Functions

JavaScript treats functions as first-class citizens, allowing them to be passed around like any other value.

JavaScript Example:

const greet = (name) => `Hello, ${name}`;

4D Example:

C_TEXT($greet; $name)
$greet := "Hello, " + $name

JavaScript First-Class Functions Documentation

Spread Operator

The spread operator in JavaScript allows for easy manipulation of arrays and objects, which can be cumbersome in 4D.

JavaScript Example:

const arr = [1, 2, 3];
const newArr = [...arr, 4];

4D Example:

ARRAY TO TEXT($arr; $newArr; 4)

JavaScript Spread Operator Documentation

Template Literals

JavaScript's template literals provide a convenient way to embed expressions in strings, which can be less straightforward in 4D.

JavaScript Example:

const message = `Hello, ${name}`;

4D Example:

C_TEXT($message)
$message := "Hello, " + $name

JavaScript Template Literals Documentation

Promises

Promises in JavaScript provide a way to handle asynchronous operations, which can be challenging to replicate in 4D.

JavaScript Example:

new Promise((resolve, reject) => {
    // Asynchronous operation
});

4D Example:

C_OBJECT($promise)
$promise := New object

JavaScript Promises Documentation

Arrow Functions

Arrow functions provide a concise syntax for writing functions in JavaScript, which can be verbose in 4D.

JavaScript Example:

const sum = (a, b) => a + b;

4D Example:

C_LONGINT($sum; $a; $b)
$sum := $a + $b

JavaScript Arrow Functions Documentation

Object Destructuring

JavaScript allows for easy extraction of properties from objects using destructuring, which is less straightforward in 4D.

JavaScript Example:

const { x, y } = obj;

4D Example:

C_LONGINT($x; $y)
$x := $obj.x
$y := $obj.y

JavaScript Object Destructuring Documentation