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let arr1 = [1, 2, 4, 5];
let arr2 = arr1;

arr1.length = 0;
console.log(arr2); // Output :- []

vipulbhj

let arr1 = [1, 2, 4, 5];
let arr2 = arr1;

arr1 = [];
console.log(arr2);

// -> Output [1, 2, 4, 5];

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let arr1 = [1, 2, 4, 5];
let arr2 = array1;

arr1 = [];
console.log(arr2);

// -> Output [1, 2, 4, 5];

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let arr = [
    {
        firstName: 'Jon',
        lastName: 'Doe'
    },
    {
        firstName: 'example',
        lastName: 'example'
    },
    {

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const sym1 = Symbol();
const sym2 = Symbol();

sym1 === sym2; 
// false

const sym3 = Symbol.for("cat");
const sym4 = Symbol.for("cat");

sym3 === sym4;

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const http = require('http');
const fs = require('fs');


// All the routes are defined here.
const router = [
  {	
  'url': '/',
  'fn': (req, res) => {
    res.writeHead(200, { 'Content-Type': 'text/html' });

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const http = require('http');

const PORT = process.env.PORT || 5000;

const app = http.createServer((req, res) => {
  res.writeHead(200, { 'Content-Type': 'text/html' });
  res.write("Hello World");
  res.end();
});