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Front End Technology Articles
Page 645 of 652
How to Add Drag and Drop in React using React Beautiful DnD
In this article, we will see how to drag and drop elements in a list. Drag and drop can be a useful feature when you are making a chat, dating, messenger, or any other similar type of web apps.ExampleFirst install the package "react-beautiful-dnd" −npm i --save react-beautiful-dndThis library will be used to add drag-and-droppable elements inside a list.Add the following lines of code in App.js −import { DragDropContext, Droppable, Draggable } from "reactbeautiful-dnd"; import React, { useState } from "react"; import "./App.css"; const finalSpaceCharacters = [ { id: "gary", name: "Gary Goodspeed", ...
Read MoreAutocomplete and suggestion in ReactJS
In this article, we will learn how make an autocomplete and suggestion box in React JS. Autocomplete is one of the basic features that every website has, however implementing it in a React website is very complex and problematic. Here, we will see an easy implementation of autocomplete in React JS.First create a React project −npx create-react-app tutorialpurposeNow go to the project directory −cd tutorialpurposeExampleFirst download a package −npm install --save downshiftThis library is used to add suggestion list for searchbox and the list will be written inside an array.You just copy the following code and change its style and ...
Read MoreAuto-scrolling animation in React.js using react-spring
In this article, we will see how to create a scroll to top animation in React JS using the react-spring package.First create a react project −npx create-react-app tutorialpurposeNow go to the project directory −cd tutorialpurposeExampleInstall the react-spring package −npm install react-springreact-spring is used to add Spring concept based animations to our website.Next, Add the following lines of code in App.js −import React, {useState} from 'react' import { useSpring, animated } from 'react-spring' export default function App(){ const [flip, set] = useState(false) const words = ['We', 'came.', 'We', 'saw.', 'We', 'hold', 'it s', ...
Read MoreAdding Lottie animation in React JS
Lottie is an open source animation file format that’s tiny, high quality, interactive, and can be manipulated at runtime. Let us learn how to implement Lottie animation in React.js. Lottie animations are mainly used for loader screen or as a start screen. It is written and implemented in JSON format in our React projects.ExampleGo to the official Lottie animation website and download Lottie JSON.Link to animation the I am going to use − https://lottiefiles.com/74546-character-02#/Name the JSON file "myloader.json" and keep it at the same level as App.js.Now install the react-lottie package −npm i --save react-lottieLottie library will be used to add ...
Read MoreCreating 3D Text using React-three-fiber
In this article, we will see how to create a 3D text using react-threefiber. We will first download the font of JSON and then we will add it in our Text Geometry object. We will add orbit control to it which will allow moving the text on the screen and view the 3D text properly. So, let's get started.ExampleFirst, download important libraries −npm i --save @react-three/fiber threeThis library react-three/fiber will be used to add webGL renderer to the website and to connect threejs and React.Now install a typeface font JSON and put it inside “src” folder. You can download a ...
Read MoreCreating 3D Globe using React-three-fiber
In this article, you will learn how to create a globe using react-threefiber. We will first make a sphere and then map a whole Earth map on it. This is an interesting texture loader feature using which we canmake any image to wrap over a sphere as texture. So, let's get started!ExampleFirst, download important libraries −npm i --save @react-three/fiber threeThis library react-three/fiber will be used to add webGL renderer to the website and to connect threejs and React.Download an image of Earth map and place it in the “src” folder. We have named the image file as "world-map.gif".Add the following ...
Read MoreValidate URL in ReactJS
In this article, we are going to see how to validate a URL (Uniform Resource Locator) in a React application.To validate a URL, we are going to install a third-party package of ‘validator’ which is used to validate the URL. Example of a valid and an invalid URL are as follows −Valid URL − https://www.tutorialspoint.com/Invalid URL − https://www.tutorialspointInstalling the modulenpm install validatorORyarn add validatorNpm is the node package manager which manages our React package but yarn is the more secure, faster and lightweight package manager.ExampleIn this example, we will build a React application which takes a URL input from the ...
Read MoreUsing onKeyPress event in ReactJS
In this article, we are going to see how to access the keycode which the user has pressed in a React applicationTo detect the keycode or the key which the user has pressed from his keyboard then React has a predefined onKeyPress event for this. Although it is not fired for all keys like ALT, CTRL, SHIFT, ESC but it can detect other keys properly.The order of event firing is −onKeyDown − Fired when the user is pressing the keyonKeyPress − Fired when the user has pressed the keyonKeyUp − Fired when the user releases the keyExampleIn this example, we will ...
Read MoreSuspense in ReactJS
In this article, we will learn how to show a loader while the component is being lazily loaded.When the components are lazily loaded, it requires a fallback to be shown to indicate that the component is being loaded in the DOM.SyntaxExampleIn this example, we will build a Routing application that lazily loads the component and displays a loader while the component is being loaded lazily.App.jsximport React, { Suspense, lazy } from 'react'; import { BrowserRouter as Router, Route } from 'react-router-dom'; import Loader from './Loader.js'; const Contact = lazy(() => import('./Contact')); const App = () => ( ...
Read MoreStrict Mode in ReactJS
In this article, we are going to see how to highlight potential problems that we might have in a React Application.React.StrictMode is a helper functionality provided by React which allows us to write better React codes. It provides visual feedback in the form of warnings if we don’t follow the React guidelines, but it works only in the development mode.Note: They are unsafe to use while using async await.Use-cases of Strict Mode −Identifying components with unsafe lifecyclesWarning about legacy string ref API usageWarning about deprecated findDOMNode usageDetecting unexpected side effectsDetecting legacy context APIWe can also bind React.StrictMode to work only ...
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