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MDJAminMDJAmin
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feat: Block Chain Collage Code 1 - 14.2
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‎Block Chain Collage Code 1/14/14.2/index.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<a href="https://www.lamborghini.com/fr-en#val-ht">🏎</a>
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<img src="https://www.lamborghini.com/sites/it-en/files/DAM/lamborghini/0_facelift_2025/homepage/models/temerario/familyChooser-Temerario_0.png" alt="">
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<script src="script.js"></script>
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</body>
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</html>

‎Block Chain Collage Code 1/14/14.2/script.js‎

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// ECMA international
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// ECMAScript === JavaScript
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// Template string
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const fName = "Amin";
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const websiteName = "SpaceX";
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const hello = "Hello" + fName + "Welcome to our new" + websiteName + "!🎉";
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const hello2 = `hello ${fName} welcome to our new ${websiteName} website !🎉`;
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console.log(hello);
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console.log(hello2);
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// ________________________________________________
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let person = { name: "Sara", age: 25 };
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let { name, age } = person;
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console.log(`${name} is ${age} years old`);
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// ________________________________________________
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//Spread operator
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const animals = {
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tiger: 12,
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lion: 8,
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snake: 2,
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owl: 44,
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};
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// const { tiger, ...rest } = animals;
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function objectSpread(p1, p2, p3) {
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console.log(p1);
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console.log(p2);
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console.log(p3);
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}
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const { tiger, lion, ...rest } = animals;
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objectSpread(tiger, lion, rest);
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// ________________________________________________
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//Data type (Symbols)
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let sym1 = Symbol();
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let sym2 = Symbol("Amin");
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let sym3 = Symbol("Morteza");
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let sym4 = Symbol("Morteza");
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console.log(sym2 === sym3);
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console.log(sym3 === sym4);
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// ________________________________________________
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//default arguments
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function greet(name = "", age = "", pet = "Cat") {
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name = "Amin";
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age = "19";
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return console.log(`Hi ${name} you are ${age} years old and you have a lovely ${pet}`);
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}
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// ________________________________________________
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//Arrow function
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function fa(a, b) {
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return a + b;
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}
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const fa = (a, b) => {
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return a + b;
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};
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const fa = (a, b) => a + b;
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const fa = a => a;
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// ________________________________________________
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// let & const
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// const player = "amin";
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// let experience = 100;
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// let wizard = false;
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// if (experience > 90) {
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// wizard = true;
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// }
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// console.log(wizard);
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// player = "batman"; ❌
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// console.log(player);
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// const obj = {
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// player: "amin",
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// experience: 100,
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// wizard: false,
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// };
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// obj = 5 // ❌
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// obj.wizard = true; // ✅
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// ________________________________________________
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// try {
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// } catch {
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// }
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// catch()
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// 1)
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function fail() {
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try {
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console.log("this works")
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throw new Error("ops!");
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console.log("this works");
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} catch (error) {
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// error parameter
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console.log("we have made and error", error);
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}
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}
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fail(); // we have made and error Error: ops!
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// ________________________________________________
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// 2)
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// function fail() {
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// try {
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// console.log("this works")
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// } catch (error){ // error parameter
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// console.log("we have made and error")
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// }
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// }
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// fail()
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// ________________________________________________
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// 3)
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function fail() {
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try {
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throw new Error("ops!");
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} catch (error) {
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// error parameter
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console.log("we have made and error", error.massage);
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} finally {
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console.log("this will always run");
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return "returning failed";
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}
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console.log("!!!!!!!! :)");
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}
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fail();
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// ________________________________________________
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// function aminAge(age){
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// try{
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// let amin = 18
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// if(isNaN(amin)){
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// throw new Error("age is not valid!")
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// }
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// console.log("Your age:",amin)
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// }catch (error){
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// console.log("error",error.massage)
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// }
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// }
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// aminAge()
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// ________________________________________________
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try {
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// This will throw an error because 'x' is not defined
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console.log(x);
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} catch (error) {
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console.log("An error occurred:", error.message);
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}
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// ________________________________________________
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async function main() {
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try {
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await x
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await y
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} catch (error) {
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console.log(err);
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}
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console.log("hey!");
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}
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// ________________________________________________
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async function fetchProduct() {
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try {
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const response = await fetch("https://fakestoreapi.com/products")
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if (!response.ok) {
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throw new Error("fetching data was unsuccessful!")
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}
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const data = await response.json();
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console.log("Products:", data)
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} catch (error) {
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console.log("Error:", error.massage)
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}
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}
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fetchProduct()

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