Today I learned

  • All tags
  • JavaScript (11)
  • Performance (1)
  • React (1)
  • The Set Object

    #JavaScript

    Today I learned about the Set object. It lets you store unique values of any type, whether primitive values or oject references. It's…

    Read more

    React Suspense Lazy Loading Components

    #React#JavaScript#Performance

    While Suspense for Data fetching is still an experimental feature in React and is not yet available in a stable release, React 16.6 also…

    Read more

    Fetch API response.ok

    #JavaScript

    Today I learned that the fetch API does only reject on a Network error or when CORS is misconfigured on the server-side. This means requests…

    Read more

    JavaScript Array Mutation

    #JavaScript

    Today I learned forgot, that the JavaScript array method mutates the original array. This caused me a lot of trouble and some nasty bugs…

    Read more

    No floating promises

    #JavaScript

    If you have worked with Promises in JavaScript, you know that Promises returned by functions must be handled appropriatly. Unhandled…

    Read more

    Optional Chaining

    #JavaScript

    The optional chaining operator can now be used in production! Hurray! 🥳If you have no idea what this is, here is an example for you: Let's…

    Read more

    What the heck is the event loop anyway?

    #JavaScript

    When I started learning NodeJS and researched a lot on this topic, I stumbled across this video from Philip Roberts : I already watched it…

    Read more

    The cost of JavaScript frameworks

    #JavaScript

    Tim Kadlec did an in depth analysis of the most common JavaScript frameworks right now and their performance. It ' s totally worth the read…

    Read more

    ECMAScript 2020

    #JavaScript

    ECMAScript 2020 was released recently which a brings a lot of cool new features into the JavaScript language. My favourites from the new…

    Read more

    Replace axios with fetch

    #JavaScript

    Axios is a npm package which makes http requests easier. At the time axios came out, making http requests in the browser was not really…

    Read more

    JavaScript and Non-JavaScript experiences

    #JavaScript

    Kitty Giraudel wrote on his blog about how N26 is delivering a JavaScript and a non JavaScript experience. I could find a lot of interesting…

    Read more