Instead of artificially separating technologies by putting markup and logic in separate files, React separates concerns with loosely coupled units called “components” that contain both. React embraces the fact that rendering logic is inherently coupled with other UI logic: how events are handled, how the state changes over time, and how the data is prepared for display. Below, you can find the basics of JSX necessary to get you started. We will explore rendering them to the DOM in the next section. JSX may remind you of a template language, but it comes with the full power of JavaScript. We recommend using it with React to describe what the UI should look like. It is called JSX, and it is a syntax extension to JavaScript. So the next time you're working on a ReactJS project and you need to deal with dates and times, don't panic - just remember this guide, and you'll be able to handle it like a pro.This funny tag syntax is neither a string nor HTML. And like cooking, it's a skill that will serve you well in many different situations. Conclusionįormatting dates and times in ReactJS is like cooking a meal - it requires some preparation and the right tools, but once you get the hang of it, it's not that difficult. This will output the same formatted date as the Moment.js example above. Here's how you can format the current date with date-fns: let currentDate = format(new Date(), 'MMMM do yyyy, h:mm:ss a') This can help keep your application's size down, which is always a good thing. Then, you can import the functions you need from it: import from 'date-fns' ĭate-fns is a bit more modular than Moment.js - instead of importing the whole library, you just import the functions you need. To use date-fns, you first need to install it: npm install date-fns -save It's like Moment.js's younger sibling - it does many of the same things, but it's a bit smaller and lighter. It's much more user-friendly, isn't it? Formatting Dates with date-fnsĭate-fns is another popular JavaScript library for working with dates and times. This will output the date in a format like "January 3rd 2022, 3:25:45 pm". Here's an example: let currentDate = moment().format('MMMM Do YYYY, h:mm:ss a') With Moment.js, you can format dates using the format method, and you can specify the format you want the date to be in. Then, you can import it into your React component: import moment from 'moment' To use Moment.js, you first need to install it: npm install moment -save Using Moment.js is like having a professional pastry chef in your kitchen, helping you whip up some delicious desserts. It's easy to use and offers lots of functionality, like formatting dates, parsing dates, manipulating dates, and much more. Moment.js is a popular JavaScript library that simplifies working with dates and times. They're not essential, but they do make life a lot easier. These libraries are like those handy kitchen gadgets that help you chop vegetables or knead dough quickly and easily. It's like a chef who specializes in making the main course but leaves the dessert to someone else.įor formatting dates, we often use external libraries like Moment.js or date-fns. However, dealing with dates and times isn't something that ReactJS focuses on. ReactJS is a JavaScript library for building user interfaces, and it's brilliant at doing just that. But this isn't very user-friendly, is it? It's like when you first buy ingredients for a recipe - they're in their raw form, and you need to prepare and cook them before they're ready to eat. When you run this code, it will print the current date and time to the console. Here's an example of creating a new date object in JavaScript: let currentDate = new Date() It's like a Swiss army knife for dealing with dates and times. This object is a built-in feature of JavaScript, and it allows us to create, read, update and manipulate dates and times. So let's start cooking! Understanding JavaScript Date Objectīefore we dive into formatting dates in ReactJS, it's crucial to understand the JavaScript Date object. You have some raw ingredients (in this case, date and time data), and you need to follow a recipe (the coding process) to turn those ingredients into a delicious meal (your completed web application). But don't worry, handling dates and times in ReactJS isn't rocket science, it's more like cooking. It's an essential skill for any developer, especially when using a modern framework like ReactJS. Every web application you build will, most likely, deal with dates and times at some point, whether it's for tracking events, scheduling appointments, or even just displaying the current date and time.
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