Factorial of a positive number n is defined by product of all the numbers starting from 1 to n (both inclusive).

Array in JavaScript is used to store an ordered collection of values. These values can be of any data type and can be 0 or more in numbers.

We are all familiar with JSON but have you ever thought what are the datatypes used in the same? Check this article to learn more and get more clarity on the topic.

Are you new to JavaScript or recently been asked how to add a JavaScript function to an HTML? Check this post to learn how to write and call a JavaScript method in html document.

A prime number is a positive number that is divisible by 1 and itself only. Some of the first few prime numbers are 2, 3, 5, 7, and 11.