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Auto Complete in React JS class

The autocomplete attribute specifies whether a form or an input field should have autocomplete on or off. Autocomplete allows the browser to predict the value. When a user starts to type in a field, the browser should display options to fill in the field, based on earlier typed values.

Leetcode Valid Paranthesis Problem

Solution of Leetcode Valid Paranthesis Problem

Leetcode Problem - Reverse an Integer

Solution of leetcode problem - Reverse an Integer

Kaprekar Number

A Kaprekar number is a number whose square when divided into two parts and such that sum of parts is equal to the original number and none of the parts has value 0.

Linked List

A linked list is a data structure that holds objects arranged in a linear order, this order is determined by a pointer in each node. Unlike an array, a linked list doesn't provide constant-time access to a particular index, you have to iterate through the list to find an element, on the other hand, is possible to add and remove items from the beginning of the list in a constant time. Linked lists can be used to implement other data structures, such as stacks, queues, and graphs.

Flatten array of Array

Flatten array of Arrays without using flat prototype method

Leetcode Two Sum Problem

Solution for leetcode easy problem "Two Sum"

Observer Design Pattern

The Observer pattern is a software design pattern in which an object, called the Subject (Observable), manages a list of dependents, called Observers, and notifies them automatically of any internal state changes by calling one of their methods.

Array.find()

Array.prototype.find()