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.
Finding a value in an array is useful for effective data analysis. Learn how to discover what a JavaScript Array contains using indexOf, includes, for loop, some methods and more.
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.
A callback function in JavaScript is a function that’s called after the first function has completed its task. Learn more about how they’re used and when to use them.
JavaScript offers a variety of ways to format dates, including using the date object, intl.DateTimeFormat and a number of date libraries. Here’s how to use each one.
An API call in React refers to making a request to a web API from a React application. We can make an API call with: XMLHttpRequest, Fetch API or Axios.
