JavaScript closures are created when a function is defined within another function. It’s a powerful concept that can lead to more efficient code. Learn more.
Technical interviews evaluate a job candidate’s technical knowledge through coding exercises, system design discussions and behavioral questions. Review these questions to prepare.
There are several ways to get the last element of a JavaScript array, including length property and square bracket notation, slice() method and pop() method. Here are nine methods to try.
Bubble sort is a sorting algorithm that uses comparison methods to sort an array. It has an average time complexity of O(n^2). Here’s what you need to know.
