I have a big old website that I am adding react components to. It uses node/express and handlebar templates mostly. Basically I do it like this: The site imports react libs in the old way (in an html file): And then I use it like this: HTML: react-component.jsx: The issue is if I want to import libraries, the…
Tag: reactjs
How to make a tree select option – reactjs
I want to make a select/option nested with a json: I want to create below result: my code: but it does’t return result. Answer
How come Next.JS code runs on both the Server and the Client?
In a Next.JS app, you see that the code for a component runs on both the Server and the Client. So if you have the following code: and you run this in a dev environment (npm run dev), you will see the console.log statement print to both the Server in the terminal as well as the Browser’s console. So fir…
Access props from a closure function within a functional component
I have a very simple React App create using create-react-app. The app displays a single component passing in a value and an onClick callback and incrementshe value when the callback is triggered. The Block component takes a value and a onClick function and displays a square with the value in the centre and ca…
Delete element from array in redux state using a reducer in createSlice
I’ve been scratching my brain for a while now with this one and any help would be appreciated. I am using React with Redux Toolkit and I’m struggling to get React to remove a ‘todo’ from my UI even though Redux is responding as expected. In Redux Developer Tools removeTodo works as exp…
How to get info from firebase firestore database in react-native
I am trying to get the logged-in user info from my firestore database in my react native app. I am new to react native, therefore I don’t know the correct syntax or methodology to do these things with firestore. I’ve read many documentations but they don’t provide information for every situa…
How to redirect to homepage from any path in github pages?
I tried to redirect to homepage by adding this meta tag inside 404.html file : And it works fine the first time but the second the page gets cached it doesn’t work . When I clear site data in the application tab in developer console , it works . How can I disable this behaviour or redirect from any path
Passing Props to grandchild React
Child: Parent: GrandParent Component: I simply want to pass the method handleButtonChange() from grandParent all the way to child (which is a button), as the button is clicked it triggers the click event which fires up this function making changes in grandparent component(i.e. setting button state) where am i…
How to define an array with conditional elements in react
I have a arry called a tableFilterFields like this: I want to apply a condition that If prop was not undefined ….How should I do this? Answer It would be better to do the conditional operation outside the array definition. You can achieve this by conditionally doing push operation
How do I change the route as I scroll?
I’m making my portfolio with fullpage.js and I wanted to add a route every time I get to the next element as I scroll. For example: when I open the page I get the<Home /> element in that section I want to put the router /#home when scrolling to the 2nd element <About /> the router /#about is…