Math: the React.js Way – Hacker Noon

Math: the React.js Way

☞ 

#reactjs #javascript

  • Math: the React.js WayHave you found yourself doing intense math problems using weird symbols like +, −, á, and×?
  • Thanks to react-real-math you can now harness the power of the React.js Virtual DOM to make your Math blazing🔥 fast!react-real-math provides an incredibly easy to understand API out of the gate, for free.
  • Let’s take a look at an example of react-real-math in action.
  • Consider this old-school almost obfuscated math problem:1+1×2=?
  • If you would like to contribute to react-real-math please check out the project’s

Have you found yourself doing intense math problems using weird symbols like +, −, ÷, and×? Do you enjoy the speed and developer experience of React.js? Thanks to react-real-math you can now harness…
Continue reading “Math: the React.js Way – Hacker Noon”

Math: the React.js Way – Hacker Noon

Math: the React.js Way

☞ 

#reactjs #javascript

  • Math: the React.js WayHave you found yourself doing intense math problems using weird symbols like +, −, á, and×?
  • Thanks to react-real-math you can now harness the power of the React.js Virtual DOM to make your Math blazing🔥 fast!react-real-math provides an incredibly easy to understand API out of the gate, for free.
  • Let’s take a look at an example of react-real-math in action.
  • Consider this old-school almost obfuscated math problem:1+1×2=?
  • If you would like to contribute to react-real-math please check out the project’s

Have you found yourself doing intense math problems using weird symbols like +, −, ÷, and×? Do you enjoy the speed and developer experience of React.js? Thanks to react-real-math you can now harness…
Continue reading “Math: the React.js Way – Hacker Noon”

📈 The growth of react-i18next looks nice 😎 #reactjs #nextjs #reactnative #expojs #i18n

📈 The growth of react-i18next looks nice 😎 



#reactjs #nextjs #reactnative #expojs #i18n

  • Needing a translation management?
  • Want to edit your translations with an InContext Editor?
  • Use the orginal provided to you by the maintainers of i18next!
  • With using locize you directly support the future of i18next and react-i18next.

react-i18next – Internationalization for react done right. Using the i18next i18n ecosystem.
Continue reading “📈 The growth of react-i18next looks nice 😎

#reactjs #nextjs #reactnative #expojs #i18n”

My experience with React 16

  • If you have a React 15.5 app which doesn’t use deprecated features and doesn’t throw errors, then React 16 just works!
  • One of my favorite things about React is that it gives me access to a great library of open-source components.
  • And thanks to the stability of React’s API, I haven’t needed to upgrade many of these components… until now.
  • In previous versions of React, throwing exceptions within event handlers would have unpredictable results.
  • While React’s API hasn’t changed much, it has an entirely new engine under the hood called React Fiber.

Now I don’t want to waste your time with another “What is React 16?”; the official blog is already very informative. But what I can give you is the story of my experience this week, when I upgraded a large project to React 16.
Continue reading “My experience with React 16”

How to Learn React: Everything You Need to Get Started — SitePoint

How to Learn #Reactjs: Everything You Need to Get Started, via @sitepointdotcom

  • If you’re dipping your toe into the React waters, or if your React development journey is picking up speed, it can be hard to stay across the fundamentals, techniques, tools and tricks – so we’ve created this guide to what’s out there and what we recommend.
  • Whether you’re still deciding to take the React plunge, or you’re looking at more advanced tooling and systems, here are the best written resources we could find.
  • If cobbling together your own learning path via articles isn’t for you, or you’d like to make sure you’re across all the concepts and techniques, these are the structured React courses we recommend.
  • Here are some projects to take on to put that knowledge into practice:
    If all of this has helped you enter the world of React – here are some newsletters that will help you keep up to date with what’s new.
  • Finally, If you’ve found a great React resource or tool that belongs here – let us know in the form below.

No matter where you are on your journey, the best React content you need is here – take a look and dive in!
Continue reading “How to Learn React: Everything You Need to Get Started — SitePoint”

Controlled Forms in React – Byte-sized React – Medium

Controlled Forms in React  #tech #webdevelopment #programming #javascript #react #reactjs

  • Defining a form’s input value via state is considered a controlled component.For controlled inputs you will need a corresponding state and then a class method to update that state with changes.Let’s walk through a quick example with CodePen.
  • If you don’t know how to set up CodePen with React, you can check out this story.Let’s also add Boostrap 4 to our CodePen so our forms aren’t so plain.Add this to your JS file:class App extends React.Component { constructor(props) { super(props); } render() { return ( div className=”form-group container” labelControlled Form Input/label input type=”text” className=”form-control” aria-describedby=”emailHelp” placeholder=”Update input here” / large className=”form-text text-muted” Form Output /large /div ); }}ReactDOM.render( App /, your CodePen should look like this:Right now our form input is not controlled- meaning that the value of the form input is not determined by the state.
  • Let’s add a state value for the form making it a controlled form.Declare the state value in your constructor.constructor(props) { super(props); this.state({input: ”}); }Then let’s pass the state input value down to the value of the email form and as the value of our output text.input type=”text” className=”form-control” aria-describedby=”emailHelp” placeholder=”Update input here” value={this.state.input}/ large className=”form-text text-muted” {this.state.input} /largeNow notice how the value of the form reflects the state, but the form value doesn’t update.
  • Let’s add a method to update state, and pass it down using the onChange event handler.Add the method to your constructor.constructor(props) { super(props); this.state = ({input: ”}); this.formUpdate = define the formUpdate method.formUpdate(event) { this.setState({input: event.target.value});}The formUpdate function needs to be called whenever a change is made to the form input.
  • Use the onChange react event to trigger the formUpdate method.input type=”text” className=”form-control” aria-describedby=”emailHelp” placeholder=”Update input here” value={this.state.input} time a change happens to the form the formUpdate method will be called with the event object.

Form input values can be set to state values and then updated via React events. Defining a form’s input value via state is considered a controlled component. For controlled inputs you will need a…
Continue reading “Controlled Forms in React – Byte-sized React – Medium”