lookupTable.js

// generate e lookup label
const posts = [
  { id: "A123", title: "Learn JavaScript Basics", author: "Rahim" },
  { id: "B456", title: "Understanding ES6 Features", author: "Karim" },
  { id: "C789", title: "Intro to React", author: "Amina" },
  { id: "D234", title: "Advanced React Hooks", author: "Sakib" },
  { id: "E567", title: "CSS Flexbox Guide", author: "Nusrat" },
  { id: "F890", title: "Mastering CSS Grid", author: "Tanvir" },
  { id: "G345", title: "Node.js for Beginners", author: "Hasan" },
  { id: "H678", title: "Express.js Crash Course", author: "Jahid" },
  { id: "I901", title: "MongoDB Basics", author: "Mim" },
  { id: "J112", title: "Full Stack Development Guide", author: "Arif" },
];

const lookupTable = posts.reduce((table, post) => {
  // console.log("First Table data :", table);
  // console.log("First post data :", post);
  table[post.id] = post;
  return table;
}, {});

// console.time("postFindTimeComplex");
// const post = posts.find((post) => post.id === "J112");
// console.timeEnd("postFindTimeComplex");
// console.log(post);

console.time("reduceFunctionToComplex");
const post = lookupTable["J112"];
console.timeEnd("reduceFunctionToComplex");
console.log(post);

// console.log("Lookup table :", lookupTable);