JavaScript, the backbone of the web and a magical language used to build almost anything from a ToDo app to the SpaceX rocket control panel.
Linked List 🔗 is a linear data structure that stores data as a list of nodes, where each node has a pointer to the next node and so on until the tail points to null. It has a head, tail, and length properties. We have arrays, but insertion/deletion or modification… Read More »Singly Linked List in JavaScript
A Queue is a data structure that follows the FIFO (First In, First Out) principle. Think of it like a real-world queue 🧑🤝🧑 where people join from the last and exit from the start. Operations performed on a Queue JavaScript Code for a Queue I have implemented the JavaScript code… Read More »Implementing Queue in JavaScript
A stack is a data structure that follows the LIFO (Last In, First Out) principle. Think of it like a stack of books 📚: you can only add a new book to the top or remove one from the top. Operations performed on a Stack JavaScript Code for a Stack… Read More »Implementing Stack in JavaScript
Contains Duplicate – LeetCode problem: We need to check if the given array contains duplicates and return True if duplicates are present and False otherwise. Link: Contains Duplicate LeetCode Difficulty: Easy Examples:Input: nums = [1,2,3,2]Output: true Example 2:Input: nums = [1,2,3,4]Output: false Solution in JavaScript Here we use an object… Read More »Contains Duplicate LeetCode – JS Solution
Print the given string with the consecutive characters count next to each character, for example, Input: “aabccca” then Expected Output: “a2b1c3a1”. I tried a couple of things and decided to go with a simple for loop as this gives us access to the index with a single iteration, i.e., Linear… Read More »Consecutive characters count in String with JavaScript
Problem Statement: For any given string write JavaScript code to console log the count of vowels with separate counts for each vowel occurrence. e.g if enter the string “apple” the output should be vowel count:: a:1, e:1, i:0, o:0, u:0. Let’s try to do this in a single iteration i.e.… Read More »Count Vowels in a String with JavaScript