Error is a term referring to an unexceptional affair that creates trouble in the expected execution. The errors can occur due to many reasons such as access not existing variables, invalid syntax, data type mismatch, etc. These errors are essential…
A module is an application’s component that can hold the partial programs to provide some custom functionality. It decreases the clatter in the code. Also, it’s a bad approach to write the entire code for a program in a single…
Imagine trying to organize a collection of numbers, words, and even objects, all in one place, without worrying about what type of data each item is. In many programming languages, arrays are strict and only allow one type of value.…
Generating Random Numbers can be useful for multiple purposes. This tutorial provides a complete guide to generating random numbers in JavaScript. Before we dive deep into the process, let’s see some of the common use cases for generating random numbers.…
A MongoDB database has multiple collections. These collections can store millions of documents(data in MongoDB is called a document) and we can fetch all the data from a collection by performing a read operation using different methods like the collection.find(). These…
JavaScript allows to perform mathematical operations on strings without throwing an error or warning, but the result may not be the expected result, so it is suggested to first convert it into an integer. The strings in JavaScript can be…
Visual Studio is an IDE(Integrated Development Environment) from Microsoft available for Windows, macOS, and Linux to build web applications, ISO and Andriod Apps, Web Server, etc. It supports all popular languages and frameworks such as C, C++, C#, Python, JavaScript, etc.…
Data Access is an essential feature of any application. An application that can’t have access to data is nothing but a static website, these websites hardcode the information on their page, they are exhausting, hard to update, and not scalable.…
Util Module provides many utility methods used for scaling the NodeJS application and in the development of modules. It is a built-in NodeJS module, so it is not required to install it using NPM or Yarn. Syntax: The syntax for…
A Video Streaming Application is used to play videos. Examples of video streaming applications are Youtube, Netflix, etc, this application have a huge number of videos in their database and has a system to play those videos. In this tutorial,…