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April 14, 2023 02:15 pm GMT

Must do pattern questions :Part-2 [ Javascript]

After learning how to build some basic pattern in Javascript. I come with with part-2 with more complex patterns.

If you directly come to this second blog , then please checkout my first blog of : Must do Pattern Questions : Part 1 [Javascript]

So today In this part I am sharing 5 patterns where we have to think a bit more than previous patterns that is available in Part-1 of the blog and we will solve this in JavaScript.

// 1// 2 3// 4 5 6// 7 8 9 10// 11 12 13 14 15const pattern = (n) => {  let patternCapturer = "";  let counter = 0;  for (let i = 0; i < n; i++) {    for (let j = 0; j <= i; j++) {      counter++;      patternCapturer += `${counter} `;    }    patternCapturer += "
"; } console.log(patternCapturer);};pattern(5);
// A// AB// ABC// ABCD// ABCDEconst alphabetPattern = (n) => {  let patternCapturer = "";  for (let i = 1; i <= n; i++) {    let alphabetIndex = 65;    for (let j = 1; j <= i; j++) {      patternCapturer += `${String.fromCharCode(alphabetIndex)}`;      alphabetIndex++;    }    patternCapturer += "
"; } console.log(patternCapturer);};alphabetPattern(5);
// ABCDE// ABCD// ABC// AB// Aconst alphabetPatternReverse = (n) => {  let patternCapturer = "";  for (let i = 1; i <= n; i++) {    let alphabetIndex = 65;    for (let j = n; j >= i; j--) {      patternCapturer += `${String.fromCharCode(alphabetIndex)}`;      alphabetIndex++;    }    patternCapturer += "
"; } console.log(patternCapturer);};alphabetPatternReverse(5);
// A// BB// CCC// DDDD// EEEEEconst alphabetPatternIdentical = (n) => {  let patternCapturer = "";  let alphabetIndex = 65;  for (let i = 1; i <= n; i++) {    for (let j = 1; j <= i; j++) {      patternCapturer += `${String.fromCharCode(alphabetIndex)}`;    }    alphabetIndex++;    patternCapturer += "
"; } console.log(patternCapturer);};alphabetPatternIdentical(5);
// *****// *   *// *   *// *   *// *****const hollowSquarePattern = (n) => {  let patternCapturer = "";  for (let i = 1; i <= n; i++) {    if (i == 1 || i == n) {      for (let j = 1; j <= n; j++) {        patternCapturer += "* ";      }    } else {      for (let j = 1; j <= n; j++) {        if (j == 1 || j == n) {          patternCapturer += "* ";        } else {          patternCapturer += " ";        }      }    }    patternCapturer += "
"; } console.log(patternCapturer);};hollowSquarePattern(5);

Github Link :
https://github.com/Jagroop2000/DSA-One-Javascript/blob/master/patterns/patterns-part2.js


Original Link: https://dev.to/jagroop2000/must-do-pattern-questions-part-2-javascript-4gg5

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