Whenever you are writing Node.js code on your system you have to run the “node index.js” command to execute the code written in the “index.js” file. Suppose you have made some changes to the “index.js” file and even after saving…
In Node.js we perform a lot of operations on data, which involves transferring data simultaneously from server to client and from client to server. There may be a possibility of a data breach while transferring data. To avoid this we…
JavaScript uses objects everywhere, there are only a few primitive data types in JavaScript, and all the remaining data types are considered objects, these objects are of multiple types such as Boolean, Number, String, Array, Data, and Object. Also Read:…
NodeJS Query String module is used to parse and format the URL query strings. In this article, we will learn about different methods provided by this module but let’s first understand URLs and Query String. What is a URL? URL…
In today’s time, there are so many programming languages present and it is confusing for us to choose between them. Also, before picking any language is important to know about the required knowledge for that language in order to understand…
A program usually executes line-by-line, meaning the function written first will execute first, and then the next function will execute. The problem arises when one function while executing blocks the execution of other functions. There may be some cases where…
NodeJS is an open-source, cross-platform runtime environment that uses JavaScript for creating fast, data-intensive, and secure server-side applications. These applications require some ways to store data in order to use them again. NodeJS supports all kinds of Databases, relational, and…
Whenever we create a Node.js application there is a need to use external packages for additional features that Node core libraries are not providing. These external packages can be installed using NPM. NPM stands for Node Package Manager. It is…
ZLIB is a Node.js module that is used to zip and unzip files. It is not required to install this module to use it inside the application, it is a pre-build module so it can be used directly by requiring…
Node.js is used to create projects such as APIs, microservices, servers, and even web applications. In a web application, we have to send the HTML file so that the user can interact with the application. We can send different HTML…