I’m trying to set up a controlled contentEditable in React. Every time i write something in the div the component re-renders, and the cursor/caret jumps back to the beginning. I’m trying to deal with this by saving the cursor in an onInput callback: This doesn’t work, the cursor is still stu…
Tag: reactjs
Http PUT deletes data that hasn’t been changed
I am trying to edit a JSON data base of shifts. I am writing in Javascript using react. This is my understanding of the PUT syntax: data.json: The result is that the new shift will hold only the fields that have been changed and delete the rest. Any ideas why? Answer I had to send the whole updated shift into
How to filter object array in React
I want to filter movies by genre and country. I can do that in a very weird method. But I wonder what’s the shortcut of filtering. Is there any option that I can filter if the prop or props exist, if not leave the original? Answer Rearrange your data in a way that allows you to enter a single value
ReactJS: How do i give action to a button and store that?
I just want to give an action to a TR button but also it will run when i press after Search button. Here is my code: I created function changeLang() above but it changes immediately. And here is my code inside return() So, i want to change language of Humidity,Visibility and Wind Speed when i press TR button …
In react How to split the handle change value in react
I need to get the array of handle change value and pass into the API URL. I’ll share my code. When I select the First dropdown value it passes into the Year and Category Id also. I need to select the first dropdown value pass into the year and the second value is set into the CategoryId. Please share yo…
Why memory leak happend and render slowing down when I close and re-open react component (material-table)?
I have basic react example for learning and I use material-table in one of my components. Each time I change the page and re-open it (unmount and mount component), my component which contains material-table load more slowly. I share my code below. After long search I did not find any solution, and after long …
Documentation for version 4-11.4 of material ui is missing
Since the rollout of MUI v5.0.0-rc.1 all the doc pages of v4 other than v4.12.3 seem to have disappeared. https://mui.com/versions/ and https://v4-11-4.material-ui.com/ (now broken) where can I find the previous versions documentations ? Thanks ! Answer Might be related: https://github.com/mui-org/material-ui…
Build version of react app giving wrong links to CSS and JS files
I’ve been working on a simple React project named Simple-portfolio, Github repo: https://github.com/Devang47/simple-portfolio live site url: https://simple-portfolio.pages.dev/ This project is working fine in the development server but after building the app, in index.html the link to other files is get…
convert object into array of objects with additional properties in it
I have below code of data. It is an object and each key has a date to it. There are properties Open and Closed within it. If Closed is 0, then that property is not present. I want to achieve the following Can someone please let me know how to achieve this. I have tried this way but i dont
React connecting info between App.js and a class
I am trying to integrate React Scheduler into my app that uses JSON data base. how can I pass the shifts and functions defined in App.js that update the data to DataSheet.js and use them instead of the defaults? Is there a better way to enable the database update from the DataSheet? App.js: DataSheet.js: Answ…