As I type in my search, the data will fetch from the API properly. The problem is that it keeps fetching several thousand times until the API throws an error. I successfully implemented an abortController, but I feel like there’s a less abrupt way to stop a fetch. I am using the useEffect hook based on …
Tag: state
How To Render Data From Firebase Without Page Refresh
I’m creating a simple note taking app. The functionality I need is the ability to make a new LABEL, and then inside that label create a TITLE, with TAGS(notes) associated to that title. Right now I have it all working nicely, except when I submit the new label, and/or new title/tags, I need to refresh t…
React Redux – Cannot set properties of undefined (setting ‘value’)
I need to find a way to get my data from my redux store into a map function but i end up with the error below My console gives me for this: But this code ends to be undefined Thats why the code below ends to be: Uncaught TypeError: Cannot set properties of undefined (setting ‘value’) Edit Answer I…
React Class Component setState undefined
I am attempting to update a variable from “” to a string of text with an onClick method in React. I’ve approached this several different ways following examples on the web and Youtube but all are resulting in various error messages. This is the latest attempt and I’m receiving an error…
Toggle Button function doesn’t maintain current State
I have two functions displayDataGraph and displayDataTable that displays data as a table and graph. I have a button that toggles between graph and table display.The graph is the default view and the switch to the table view happens with the toggle button. Each page has a previous and next button that takes us…
React state does not update accordingly when popping an array
I wrote a simple component in React which is supposed to remove the last element of an array when a button is clicked, but despite console logging the correct value, my React state is not being updated accordingly (when viewing the components with React Developer Tools) and hence the output is not changing. I…
React – setting value for all array of objects
I’m creating a simple tracker that has a state checking if the button is either false (not checked) or true (checked). The structure of my data is something like this: I tried creating a function that resets all of the check values back to false. The user can delete a character or add more so I need to …
React: Changed state in Child component. How to see the change in parent component?
For a website I am working on I have made a component with checkboxes that triggers a state change in a parent component. I have checked in the console through the child component that the state is changed, but I want the parent component to “notice” the change too. I have tried useEffect and comp…
I can’t change the state of the input tag when click on submit button and when it’s empty of fill with text?
Here I built a form and I want, when I click on submit button if title part(input with id form-title) is empty border of the input gets a specific className but It doesn’t work I uploaded an image and specify the submit button and input of title My purpose is when I click on submit button the code must …
Can’t update state to change display on page during api call
I have a page called Dashboard and on this page I have a component called Dropzone which is used for uploading a file to the page. When a file is uploaded, it calls the onDrop() callback where I POST the file to my api, and I then try to sent a GET request to my api at /api/machines/{hash}. I want