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# Code Examples from "Top 5 Underestimated Native Browser Features You Should Be Using"

## 1. Bluetooth: Connecting to Devices Wirelessly 📡

### Example: Connecting to a Bluetooth Device

```typescript
async function connectToBluetooth() {
  try {

BiosBoy

function Person(name) {
    this.name = name;
}

Person.prototype.greet = function() {
    console.log(`Hello, my name is ${this.name}`);
};

const alice = new Person('Alice');

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const userRole = 'admin';

if (userRole === 'admin' || userRole === 'editor' || userRole === 'moderator') {
  console.log('Access granted');
} else {
  console.log('Access denied');
}


const userRole = 'admin';

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# Webpack Bundle Analyzer Examples

## Install the Package

```bash
npm install --save-dev webpack-bundle-analyzer


const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;

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const arr1 = [1, 2, 3, 4];
const result1 = arr1.flatMap(x => [x, x * 2]);
console.log(result1); // [1, 2, 2, 4, 3, 6, 4, 8]

const arr2 = ['a', 'b', 'c', 'd'];
console.log(arr2.at(-1)); // 'd'
console.log(arr2.at(-2)); // 'c'

const arr3 = [1, 2, 3, 4, 5];
const result2 = arr3.findLast(x => x % 2 === 0);

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const originalArray = [1, 2, 3, 4, 5];
const slicedArray = originalArray.slice(2, 4);

console.log(slicedArray); // [3, 4]
console.log(originalArray); // [1, 2, 3, 4, 5]


const originalArray = [1, 2, 3, 4, 5];
const splicedArray = originalArray.splice(2, 2);

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function* simpleGenerator() {
  console.log("First execution");
  yield 1;
  console.log("Second execution");
  yield 2;
  console.log("Third execution");
}

const gen = simpleGenerator();

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interface User {
  name: string;
  age: number;
  isAdmin: boolean;
}


interface Employee extends User {
  employeeId: number;
}

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const maxUsers = 100;
const apiUrl = 'https://api.example.com/users';
// You know these won't change. They're constant.


let userCount = 0;
if (users.length > 0) {
    userCount = users.length;
}
// Did we really need to use `let` here?

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interface User {
  id: number;
  name: string;
  email: string;
}

function updateUser(userId: number, updates: Partial<User>) {
  // Imagine this function updates a user in the database
  console.log(userId, updates);
}