Category: React

Pass props to parent component in React.js React.js is a popular JavaScript library for building user interfaces. It allows you to create reusable components that can be composed together to build complex UIs. One common requirement in React.js is the need to pass data from a child component to its parent component. In this blog…

Access props inside quotes in React JSX When working with React JSX, you may come across situations where you need to access the props inside quotes. This can be a bit tricky as JSX treats anything inside curly braces as JavaScript code. However, there are a few ways to achieve this. Let’s explore them. 1.…

When working with JavaScript, you may come across the error message: TypeError [ERR_INVALID_ARG_TYPE]: The “path” argument must be of type string. Received type undefined. This error occurs when you are trying to use a variable as a path argument, but the variable is undefined. There are a few different ways to solve this issue, depending…

React.js: Set innerHTML vs dangerouslySetInnerHTML When working with React.js, you may come across situations where you need to set the inner HTML of an element dynamically. React provides two main options for achieving this: using the setInnerHTML property and the dangerouslySetInnerHTML property. In this article, we will explore the differences between these two approaches and…

How do you set the document title in React? When building a React application, you may come across situations where you need to dynamically set the document title based on the current state or data. In this blog post, we will explore two common approaches to achieve this. 1. Using the document.title property The simplest…

How to delete an item from state array? As a JavaScript developer, you may often come across situations where you need to delete an item from an array stored in the state. In this blog post, we will explore multiple solutions to achieve this task. Solution 1: Using the splice() method The splice() method allows…

What are React controlled components and uncontrolled components? When working with React, you may come across the terms “controlled components” and “uncontrolled components”. These concepts refer to different ways of handling form inputs and managing their state within a React application. Controlled Components A controlled component is a form element whose value is controlled by…

Passing Props in Link with React Router React Router is a popular library used for handling routing in React applications. It allows developers to create dynamic and interactive user interfaces by defining different routes and rendering components based on the current URL. When working with React Router, you may come across situations where you need…

What is Virtual DOM? As a JavaScript developer, you may have come across the term “Virtual DOM” while working with frameworks like React. But what exactly is Virtual DOM and why is it important? In this article, we will explore the concept of Virtual DOM and its benefits. Understanding the DOM Before diving into Virtual…