I have the following routing config: This catches any routes that are not handled, and renders the <NotFound /> component at the URL that wasn’t found, so if I type example.com/blah, I see the <NotFound /> component rendered, and in the address bar I see example.com/blah. I also use this URL…
Tag: reactjs
Why do Material UI tabs stop working when I use a .map to populate the content dynamically instead of hard coding?
I have implemented Material UI’s tabs successfully by hard-coding the content, but when I tried to make a my hard coded tabs with a .map function to populate the content from a data source (simple json), it no longer works. Can anyone see why? The only change I made was to the MyTabs component below whe…
setState for react function component not updated my state
I’m setting state for start and end date of checkin and checkout date. I got validDateRange which is an array of valid date and length. Try to set the state of total to the length of array multiply with the price of the room but somehow react not updating my total state. The log of totalCost is totally …
React equivalent to ejs
Im used to do this kind of code using ejs, is there an equivalent way of doing this using react? What Im trying: I need to create a new to each aux.Complements elements, the problem is that I cant do {return complement.title} inside html elements What I get: Expected an assignment or function call and instead…
Why is this onClick event handler firing twice in my create-react-app
can someone tell me why is this “upvote” onClick handler firing twice? the logs would indicate it’s only running once but the score it controls increases by 2 on the other hand if I rewrite the handler this way, then it fires only once Answer My best guess is that in the first case, you are …
Promise Returning Undefined When Setting State But Printing to Console Fine
So I’m quite new to web dev but I’m trying to build my first front-end app that simply fetches some data from an API and displays it. When I console.log() my promise, it returns an array of objects, which is what I want and what I expect from the promise. But, when I try to set my component’…
How to display specific elements on a page at a specific screen resolution
How to display specific elements on a page at a specific screen resolution. A kind of mobile version for the site, something like media queries, only which will display a certain block of js (react) / html (jsx) code at a certain resolution Answer You can take a look at the answer on this similar question If …
Get `children` prop from component
UPDATE: For anyone learning and confused on this as I was, this page describes what’s going on — my confusion was between a React component vs React elements https://reactjs.org/docs/rendering-elements.html ORIGINAL QUESTION: The page linked below suggests the children prop is passed by default wh…
How to add inline styles in react?
I’m new to react. I’ve tried {{style=color: “red”}} but this gives me an error. Appreciate if you can help me. Answer It’s easy to add inline styles in react. style={{color: “red”}} this is how you do it.
Next.JS Redux dispatch not working in getStaticProps()
I am pretty new to Next.JS and I was trying to set up Redux with my Next.JS application. Now my page is supposed to display a list of posts that I am calling in from an API. The page renders perfectly when I’m dispatching from useEffect() to populate the data on to my page, but getStaticProps() or getSe…