I have this renderUpgrades-function in which the options of an item get included into radio-button-groups. So an item has multiple options where each option has a a radio-button-group. I know that a radio-button-group can be handled with useState where each useState gets a group assigned. But in my case I don…
Tag: reactjs
Change position of arrow icon based on sort
Hi my sorting is done via the backend, I need to reflect it in the UI with React. I’m looking to achieve this: Arrow position is defaulted to pointing down when page loads (no sort is occurring at this stage) Click on Arrow this will point upwards sorting table results as ascending Click on Arrow again …
Material UI Date Picker Calendar Open Immediately On Page Render
I have a calendar from Material UI which only opens when I click on it so it starts like this And then opens to this Is there anyway I can have it so that it is immediately open as soon as the page renders? I am not sure if I am missing some prop which material gives to us out
Converting React TS interface to React JS
I’m attempting to integrate this package into an app using this example. I’m not too familiar with typescript and I see that it uses interface in one of the utils (which javascript does not have). I’ve read Does JavaScript have the interface type (such as Java’s ‘interface’…
having n states in react, assuming that n won’t be received in props
How could I have n states in a React component Assuming that the component won’t receive this n value in any props, is something that it will get from a database Using useState will create the state, setState for each pair, but I need n pairs Rafael Answer JavaScript arrays doesn’t have a fixed le…
Is there something wrong with using this pattern in React?
Everywhere where I saw React code written by other people and also me for most of my time since I started working in React a year ago I saw this kind of pattern for passing props. I’ve just realised recently that you can write the same thing like this: Is there something wrong with this or why is nobody…
How to update an object in React?
My React app retrieves a list of Items from a database and stores them in state, like this: Now I want to modify each Item in itemList by adding in some sub-data. Each Item has the key ‘userID’; I want to loop over each item to get the corresponding userID, and then copy that into the Item object.…
How to pass correct state value into callback function inside useEffect hook?
I’m trying to change a state of a variable that holds photo ID when a user presses arrow keys or clicks on an image, then I render my image depending on that photo ID. CODE: Setting up a state by clicking/un-clicking on an image works without a problem, the state is set to a correct number. But my funct…
Cannot POST image to my API Route from React.js
I am creating a MERN app in which I have created an api route /api/books where user can POST a book’s details with it’s image, and the data will be stored in MongoDB. I am using multer and it stores the image after encoding in binary format in the database. When I test it with postman, I works per…
ReactJs Link Not Able To Navigate To Respective Component
I am using “Link” in my component to navigate and pass respective data through props to other component. I have below primary component as AllSuppliers which is using Link to navigate to EditSupplier component. When Clicked On Edit Link , component not getting navigated. Just browser url is gettin…