If you’re given an integer n, how would you get the nth number of Fibonacci sequence in JavaScript? I’ll show you 2 ways to do it, a recursive and an iterative solution. For this case, we’ll assume the first Fibonacci number is 1, since there are cases where the first Fibonacci number is 0. So, … Read more
Checking whether a number is prime or not is a good example of algorithms that can be improved. Below is the solution with O√n time complexity to check for prime number in JavaScript! Read more for detailed explanations! What is a Prime Number? Before we design an algorithm, we need to first understand the problem. … Read more
Rotating a matrix is one of the basic exercises for Data Structures and Algorithms, especially arrays. Matrix is a 2-Dimensional array after all. So, given a mxn 2-Dimensionanal matrix, how can you rotate a matrix in JavaScript? Here is the solution The solution’s simple but might be confusing at first. So, let me walk you … Read more
Array is the most commonly used data structure in JavaScript. But, what is it exactly? And if you’re looking from the data structure point of view, you’d like to know about the Big O complexities as well. So, let me tell you what they are and each of their complexities. In JavaScript, an array is … Read more
If you’re into programming, most likely you’ve heard of Data Structures. But, as a web developer, we often overlook it. We can build a web without learning it too deeply. So, what exactly is a Data Structure? Data structure is a specific format we use to store, manage and organize our data so that it … Read more