function a() {
let x = 10;
for (let i = 0; i < 100; i++) {
x += i;
}
return x;
}
function b() {
let y = 20;
let z = a();
return y + z;
}
function c() {
let arr = [];
for (let i = 0; i < 1000; i++) {
arr.push({
id: i,
value: Math.random()
});
}
return arr;
}
function d() {
let obj = {};
for (let i = 0; i < 500; i++) {
obj['key' + i] = 'value' + i;
}
return obj;
}
function e() {
let text = "This is a long string of text. ".repeat(100);
return text;
}
function f() {
let result = 0;
for (let i = 0; i < 1000; i++) {
result += Math.sqrt(i);
}
return result;
}
function g() {
let date = new Date();
return date.toString();
}
function h() {
let regex = new RegExp('^[a-zA-Z0-9]*$');
return regex.test('someTestString123');
}
function i() {
let promise = new Promise((resolve, reject) => {
setTimeout(() => {
resolve("Promise resolved after 1 second");
}, 1000);
});
return promise;
}
async function j() {
let result = await i();
console.log(result);
}
class MyClass {
constructor() {
this.property1 = 'value1';
this.property2 = 123;
}
method1() {
return this.property1;
}
method2() {
return this.property2;
}
}
const instance = new MyClass();
console.log(a());
console.log(b());
console.log(c());
console.log(d());
console.log(e());
console.log(f());
console.log(g());
console.log(h());
j();
console.log(instance.method1());
console.log(instance.method2());
