React 16.8 +, Functional component Click here for a full demo on StackBlits React 16.3 +, Class component Class component – Ref callback Don’t use String refs. String refs harm performance, aren’t composable, and are on their way out (Aug 2018). string refs have some issues, are considered legacy, and are likely to be removed … Read more
Here’s an idea (sandbox example link). Include a phantom div in your footer component that represents the footer’s position that other dom elements will respect (i.e. affecting page flow by not being position: ‘fixed’;).
You have 2 unclosed <div> tags in your render() and a semicolon that probably doesn’t belong. I’d get rid of those (e.g. close them, delete the semicolon in <div>; if it doesn’t belong) and try it again.
Add two headers Content-Type and Accept to be equal to application/json.
You’re going to want to use the Redirect component. There’s a few different approaches to this problem. Here’s one I like, have a PrivateRoute component that takes in an authed prop and then renders based on that props. Now your Routes can look something like this If you’re still confused, I wrote this post that may help – Protected routes and … Read more
I received this message when no proxy to the server was specified inside client package.json file. (where 5000 should be changed to whatever port number the server was setup to listen to. In my case it also required server restart once added)
Check Whether You have the .env file with REACT_APP_API_URL=http://localhost:3001 in it. The file should be in the root folder.
In class components, you can call this.forceUpdate() to force a rerender. Documentation: https://facebook.github.io/react/docs/component-api.html In function components, there’s no equivalent of forceUpdate, but you can contrive a way to force updates with the useState hook.
I figured it out! After reading this blog post I realized that the placement of this line: was wrong. That line needs to be the last line in the <body> section, right before the </body> tag. Moving the line down solves the problem. My explanation for this is that react was looking for the id in between the <head> tags, instead of in … Read more
To refresh page you don’t need react-router, simple js: To re-render view in React component, you can just fire update with props/state.