The strict mode in JavaScript helps us to write secure code by detecting accidental errors and bugs in the code. It produced the visible mistakes hidden in JavaScript, by default JavaScript just failed silently without showing the errors. In this…
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…
In JavaScript, Array is a variable that can store multiple types of data together, an array can have a number, a string, a boolean, object, etc. There is no fixed data type and length of an array in JavaScript which…
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…
A class is a concept of Object Oriented Programming(OOP). Object Oriented Programming is an essential concept in programming, it helps to reduce the difficulty of scaling the application. It provides a way to concatenate various method and property to create…
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.…