Category: React
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Error Running React Native App From Terminal (Ios)
When developing a React Native app for iOS, you may encounter an error when trying to run the app from the terminal. This error can be frustrating, but fear not! In this blog post, we will explore some possible solutions to this problem. Solution 1: Clear the Metro Bundler cache One common cause of this…
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How to Compare Oldvalues and Newvalues on React Hooks Useeffect?
React Hooks introduced a new way of managing state and side effects in functional components. One of the most commonly used hooks is useEffect, which allows us to perform side effects in our components. However, a common question that arises when using useEffect is how to compare the old and new values of a dependency…
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Sh: React-scripts: Command Not Found After Running Npm Start
sh: react-scripts: command not found after running npm start If you are a JavaScript developer working with React, you might have encountered the error message “sh: react-scripts: command not found” after running the “npm start” command. This error can be frustrating, but don’t worry, there are a few solutions to fix it. Solution 1: Check…
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react-router scroll to top on every transition
React Router is a powerful library that allows developers to handle routing in their React applications. One common requirement is to scroll to the top of the page on every route transition. In this blog post, we will explore different solutions to achieve this behavior using React Router. Solution 1: Using React Router’s useEffect Hook…
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Dynamic tag name in React JSX
Dynamic tag name in React JSX When working with React JSX, you may come across situations where you need to dynamically render different HTML tags based on certain conditions or data. In this blog post, we will explore different approaches to achieve this in React. 1. Using a conditional statement One way to render dynamic…
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When to use React setState callback
When to Use React setState Callback React is a popular JavaScript library used for building user interfaces. One of its core features is the setState method, which allows you to update the state of a component and trigger a re-render. In some cases, you may need to perform additional actions after the state has been…
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Can I update a component’s props in React.js?
React.js is a popular JavaScript library for building user interfaces. One common question that developers often have is whether it is possible to update a component’s props in React.js. In this blog post, we will explore different solutions to this problem. Solution 1: Using State In React, props are immutable, which means that they cannot…
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Rendering raw html with reactjs
Rendering Raw HTML with ReactJS ReactJS is a popular JavaScript library used for building user interfaces. It provides a powerful way to create reusable UI components using a declarative syntax. However, there are times when you may need to render raw HTML content within your React components. In this blog post, we will explore different…
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Is it possible to return empty in react render function?
When working with React, you may come across situations where you want to conditionally render nothing in the render function. In other words, you want to return empty content. Fortunately, React provides a simple way to achieve this. You can return null or false in the render function to indicate that you don’t want to…
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How to have conditional elements and keep DRY with Facebook React’s JSX?
If you are a JavaScript developer, chances are you have heard of Facebook’s React library. React has gained popularity due to its efficient rendering and component-based architecture. One of the key features of React is JSX, which allows you to write HTML-like code within your JavaScript. However, when it comes to conditional rendering in JSX,…