Javascript Articles

Akshay Kumar

Updated on October 30, 2024

Review these common JavaScript interview questions and answers and practice your coding fundamentals with this guide to ace your next interview.

Dr. Derek Austin

Updated on October 29, 2024

JavaScript doesn’t have a dedicated sleep() function that causes the code to wait before resuming execution. Here's how to write a JavaScript sleep function using setTimeout().

Chris Cook

Updated on October 09, 2024

There are two ways to check for log errors with the JavaScript testing framework Jest: jest.fn() or jest.spyOn(). Here’s how to do it, with code.  

Yordan Ramchev

Updated on October 08, 2024

Setting up on-demand auto importing for Vue components makes it easier to eliminate typos in import paths and reduces final production build size. Learn more.

Shahar Polak

Updated on October 07, 2024

A JavaScript forEach loop is a control flow statement that iterates through arrays. It can be stopped by throwing an error. Learn more.

Jayanth Somineni

Updated on September 27, 2024

When you need to remove duplicates from an array in JavaScript, consider these methods.

Michelle Wong

Updated on September 13, 2024

Switch case and if-else offer two different approaches to writing conditional statements in JavaScript. Here’s how to determine which one to use.

Rakia Ben Sassi

Updated on September 10, 2024

Compilers and interpreters are used to convert a high-level language into machine code. However, there are differences between how and when they work.

Harshil Patel

Updated on September 04, 2024

Quicksort is a sorting algorithm that uses a divide-and-conquer strategy to split and sort an array. It has a time complexity of O nlogn.

Ankit Malik

Updated on August 09, 2024

Pascal case and camel case are two different casing styles used in programming for naming variables, class and type names. Learn the differences and other casing styles.