javascript

Understanding the require Statement in JavaScript As a JavaScript developer, I have come across the terms require and import quite often. While both of them are used for importing modules in JavaScript, they have different syntax and functionality. The Role of require Statement in JavaScript The require statement is a

Disallowed Host at Django If you have been developing a Django app and you encounter a "Disallowed Host" error, don't worry, it's a common issue. This error occurs when a request comes from a host that is not allowed in your Django settings file.

Jest DOM Manipulation If you're a developer, you might have come across the term "DOM Manipulation". In simple words, it is the process of changing the HTML document structure using JavaScript. Jest is a popular testing framework that can be used to test DOM manipulation functions.

Proptypes for a React Component If you are working with React, then you must have come across the term "Proptypes". React Proptypes are used to validate the props passed to a component. It is a typechecking feature that allows you to specify the type of props that a

When Do We Use Scroll Listener In JavaScript? Scroll Listener is a JavaScript event that is used when we want to perform some actions based on the scroll position of the user. We use it when we want to know how far the user has scrolled and then perform some

Untrack package-lock.json If you are a developer who works on a project using Node.js and npm, you might have come across the package-lock.json file. This file is automatically generated when you run the npm install command and contains information about the dependencies of your project, including their

If 'router-outlet' is an Angular component, then verify that it is part of this module. If you are working with Angular, you may come across the 'router-outlet' component. This component is used to define the location where the router will display the content of the current

hljs.highlightAll(); Extracting Mongoose ERD from Mongoose Models If you are working on a Node.js project with a MongoDB database using Mongoose, you may find it helpful to generate an Entity Relationship Diagram (ERD) from your Mongoose models. This can help you visualize the structure of your data and

JavaScript Comparison Operators JavaScript comparison operators are used to compare values and return a boolean value (true or false) based on the comparison result. There are various types of comparison operators in JavaScript, such as: Equal operator (==) The equal operator compares two values for equality. It returns true if the

Javascript Check If Object As a web developer, I have come across a situation where I needed to check if a variable is an object or not in Javascript. There are many ways to do this, and I will explain some of them below. Using typeof Operator The typeof operator