A Linked List 🔗 is a linear data structure that stores data in a list of nodes, each node has a pointer to the next node and so on until the tail points to null. Singly Linked List: In a singly linked list, each node has a pointer only to… Read More »Doubly Linked List in JavaScript
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
I had to use a loading animation in one of my mini-projects and I thought of creating a simple CSS spinner, no npm, no JavaScript, nothing. The spinner looks similar to Microsoft and HP apps with this blue loading animation. Let’s see the code HTML CSS Explanation As for the… Read More »Simple and Pure CSS Spinner