@Innocent
Full stack developer, enthusiastic about new technologies.
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Hi there, and welcome to Hashnode! There are a couple of issues with your code. Firstly, in order to change the state of a component, you're required to use the method setState() . If you don't use this, React won't do a re-render. Secondly, you're using componentWillUpdate without if-statements. It's recommended to only update the state within componentWillUpdate if a certain condition is met. Otherwise, a re-render will be triggered every time any prop changes, which is probably not what you want. In order to fix the problem you're having, you can do something like this: componentWillUpdate(nextProps) { if (nextProps.effect !== this .props.effect) { this .setState({ effect: nextProps.effect }) } } However, in your case you probably don't need to use state at all. React automatically re-renders when props change, so if you simply pass the prop to the className attribute, things should work automatically.
These are my day-to-day VSCode plugins: Sublime Text Keymap and Settings Importer . This extension is a must have if you come from Sublime Text. Prettier - Code formatter . This is the extension I can't live without. Automatically formatting your code upon save. It saves so much time! NightSwitch-Lite . Automatically change the theme based on the time of the day, so your eyes can rest in the evening. Auto Rename Tag . Automatically update the closing tags in HTML/ JSX/ XML/ whatever, just like Chrome DevTools does.
From MDN: Date objects are based on a time value that is the number of milliseconds since 1 January 1970 UTC. This means that when you're creating a new Date object, it will give you 1970 + the amount of milliseconds you pass in. By subtracting 1970 from the date's year, you get the time difference in years.
You need to force each request to serve the index file. You may want to look into the .htaccess file. In here you can define rewrites that allow each request to be served by the index file. Using the HTML5 History API, React router will know how to correctly render the page. Zeit's serve also provides setting rewrites in their configuration file. Have a look at the following link: https://github.com/zeit/serve-handler#rewrites-array.
Hi Rob, thanks for hosting this AMA. Firstly, I'd like to thank you for creating and implementing the :focus-visible spec. So far it has been super useful! What accessibility issues do you think should require more attention? And how can you best convince your clients to invest (more) time on accessibility?
If you feel like Vue templates are a step backwards for you, you might be happy to hear that Vue supports the JSX syntax . It allows you to write your components in pure javascript with syntatic sugar. What I like about Vue is that it embraces reactivity. With React and Redux, you're often forced to use immutable data structures which can get a bit messy to work with (i.e. having to Object.assign every nested property of your state). Vue uses observers instead, which means you can simply mutate a value and have its change reflect in other parts of your app. This reactivity system makes it really simple to work with data. I'd recommend to just try it out!
Yes. No matter how low the percentage is, it's unacceptable to simply show an empty page when someone has disabled javascript. In the end it's as simple as adding a <noscript> tag with some information in it. So if it only takes a couple of minutes to do and it'll greatly improve the user experience for people who have disabled javascript, just implement it. 馃槉