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‎chapter 17 to 20/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>Chapter 17 to 20 Task | ARRAYS AND LOOP</title>
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<link rel="stylesheet" href="style.css" />
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</head>
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<body>
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<script src="script.js"></script>
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</body>
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</html>

‎chapter 17 to 20/script.js

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// Declare and initialize an empty multidimensional array.
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// (Array of arrays)
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// 2. Declare and initialize a multidimensional array
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// representing the following matrix:
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document.write(`<h1> Empty Array </h1>`);
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let emptyArr = [
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[0, 1, 2, 3],
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[1, 0, 1, 2],
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[2, 1, 0, 1],
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];
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let matrix = "";
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for (let i = 0; i < emptyArr.length; i++) {
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matrix += emptyArr[i].join(" ") + "<br>"; // Join each row with spaces
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}
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document.write(matrix);
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// Write a program to print numeric counting from 1 to 10.
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document.write(`<h1> Numeric Counting from 1 to 10 </h1>`);
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for (let i = 1; i <= 10; i++) {
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document.write(`${i}</br>`);
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}
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// Write a program to print multiplication table of any
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// number using for loop. Table number & length should be
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// taken as an input from user.
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document.write(`<h1> Table Printer </h1>`);
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let table = prompt("Enter a number to print Table");
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let tableLength = prompt("Enter a number to end table");
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let print = "";
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for (let i = 1; i <= tableLength; i++) {
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print += `${table} x ${i} = ${table * i}<br>`;
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}
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document.write(print);
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// Write a program to print items of the following array
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// using for loop:
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// fruits = ["apple", "banana", "mango", "orange",
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// "strawberry"]
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document.write(`<h1> Print Items (using for loop) </h1>`);
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let fruits = ["apple", "banana", "mango", "orange", "strawberry"];
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for (i = 0; i < fruits.length; i++) {
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document.write(`${fruits[i]} </br>`);
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}
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// Generate the following series in your browser. See
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// example output.
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// a. Counting: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
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document.write(`<h1> Counting </h1>`);
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let counting = [];
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for (i = 1; i <= 10; i++) {
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counting.push(i);
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}
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document.write(`${counting.join(" , ")} </br>`);
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// b. Reverse counting: 10, 9, 8, 7, 6, 5, 4, 3, 2, 1
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document.write(`<h1> Reverse counting </h1>`);
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let reverseCounting = [];
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for (i = 10; i > 0; i--) {
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reverseCounting.push(i);
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}
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document.write(`${reverseCounting.join(" , ")} </br>`);
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// c. Even: 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
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document.write(`<h1> Even </h1>`);
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let even = [];
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for (i = 0; i <= 20; i += 2) {
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even.push(i);
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}
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document.write(`${even.join(" , ")} </br>`);
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// d. Odd: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19
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document.write(`<h1> Odd </h1>`);
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let oddNum = [];
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for (let i = 1; i < 20; i += 2) {
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oddNum.push(i);
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}
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document.write(`${oddNum.join(" , ")} </br>`);
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// e. Series: 2k, 4k, 6k, 8k, 10k, 12k, 14k, 16k, 18k, 20k\
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document.write(`<h1> Series </h1>`);
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let series = [];
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for (let i = 1; i <= 10; i++) {
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series.push(2 * i);
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}
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document.write(`${series.join("k , ")} </br>`);
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// You have an array
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// A = ["cake", "apple pie", "cookie", "chips", "patties"]
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// Write a program to enable "search by user input" in an
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// array.
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// After searching, prompt the user whether the given item is
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// found in the list or not.
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document.write(`<h1> Search by User Input </h1>`);
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let A = ["cake", "apple pie", "cookie", "chips", "patties"];
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let userSearch = prompt("what do you want to order?");
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if (A.includes(userSearch)) {
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document.write(
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`${userSearch} is available at index ${A.indexOf(userSearch)} in our bakery`
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);
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} else {
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document.write(`Sorry! ${userSearch} is not available at our bakery`);
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}
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// Write a program to identify the largest number in the
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// given array.
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// A = [24, 53, 78, 91, 12].
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document.write(`<h1> Largest Number </h1>`);
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let C = [24, 53, 78, 91, 12];
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let largest = C[0];
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for (let i = 1; i < C.length; i++) {
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if (C[i] > largest) {
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largest = C[i];
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}
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}
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document.write(`The largest number is: ${largest}`);
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// Write a program to identify the smallest number in the
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// given array.
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document.write(`<h1> Smallest Number </h1>`);
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let B = [24, 53, 78, 91, 12];
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let smallest = B[0];
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for (let i = 1; i < B.length; i++) {
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if (B[i] < smallest) {
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smallest = B[i];
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}
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}
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document.write(`The smallest number is: ${smallest}`);
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// Write a program to print multiples of 5 ranging 1 to
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// 100.
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document.write(`<h1> multiples of 5 ranging 1 to 100 </h1>`);
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let tables = 5;
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for (let i = 1; i <= 20; i++) {
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let printTable = ` ${tables * i},`;
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document.write(printTable);
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}

‎chapter 17 to 20/style.css

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*{
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font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
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font-size: 1.25rem;
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}

‎chapter 21 to 25/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>Chapter 21 to 25 Task | STRING METHODS</title>
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<link rel="stylesheet" href="style.css" />
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</head>
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<body>
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<script src="script.js"></script>
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</body>
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</html>

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