If you’re given a string, how do you check if it is a palindrome in JavaScript? Note : A palindrome is a string that if spelled backwards or forwards will be the same. e.g. “level” spelled backwards or forwards is still “level”. Below is the solution I came up with utilizing JavaScript built-in functions. We … Read more
There are cases where you have to reverse a string, be it a coding interview or an actual case in your work. So, given a string input, how can you reverse a string in JavaScript? Inputs and Outputs example : Solution There is a built-in reverse function in JavaScript, but sadly it is only for … Read more
Do you ever get inputs like ‘ J a v aSc r ip t ‘. Don’t worry, this article will show you 2 ways to remove spaces from a string in JavaScript. Spoiler alert, the second method is better. Well, it is mostly subjective, but I prefer the second method. Split and Join This … Read more
If you’re given a nested object, how do you flatten that object with recursion in JavaScript? For example, we have this object. And we want to flatten it into the following form How would you do it? Solution To solve this solution, you need a nested function. The first function is to define a variable … Read more
If you’re given an integer n, how do you print the Fibonacci sequence up to n in JavaScript? First of all, since there are varying understanding of Fibonacci sequence, in this case we’ll assume that the 0th number is 0, 1st number is 1 and the next numbers are the sum of the previous 2 … Read more