I am trying to represent JSON formated data Using React library Victory here it is. example of component: but I get my data from API in JSON format notice format of data: What type of array is used in first fragment? And how can I make it from the second? Answer Use data.historical as the array in your component.
Tag: reactjs
Select a grid element from a .map
I have a grid and I need to select the fourth element and move from the first column to second column in the row below. I know how to do it in plain html, but not how to select the grid element inside a map. Here the code: I just need to select the fourth element and put this className:
TypeError: history.push is not a function: How can I fix this?
I have these two forms and I wanted to redirect the user to the homepage after the first form submit handleSubmit. I have already declared withRouter and used it. But, it still has the error: TypeError: history.push is not a function Below are the codes: Answer use the useHistory hook.
How to fix React.useEffect and useCallback circular loop when updating a state?
I’m fetching some data from an API, but since I am using this data to update a state within a useEffect, this state becomes a required dependency, which causes a circular loop. state is updated -> useEffect is called -> state is updated … I read a lot of answers and articles about that, but I couldn’t find an answer
More elegant way of checking all state values
Is there a more elegant way of checking all state variables in my react app ? I currently have 14 state variables within my app, I am checking the value of each and updating to an empty string if they do not pass validation (left empty) code is as: This does work, so its not the end of the world,
Loop through array of objects and display them in react component
I have an array of object as follows. The data is based on created_date for e.g. (“2021-09-12”) As you can see, i have got last 5 days of data. i.e. 12th Sep, 11th Sep, 10th Sep, 9th Sep and 8th Sep. The response does not have any data for 11th sept and 8th Sept. Based on this above information, i
How to optimally render Radios and bind changing values with React and JSX?
I’ve a state like this This is what I’m doing to render and bind value to the state. Is there any alternate much simpler approach? I prefer Inline rendering within return statement, rather than using a separate arrow function to render radios *using multiple if-else ladders (Any way to inline it?) Is onClick binding correct to set value to the
How to filter list of objects that doesn’t match some condition in another list of objects
I have an array of objects of optional working hours of some business (5 min jumps). In addition, I have an array of objects of appointments. I want to filter the optional working hours if there is an existing appointment between those hours. I tried this solution with moment.js library: Current result: Duplicated available working hours Expected result: Array of
How do I delete a list item that has been given a unique id when created, in React + Firebase?
I am creating a Todo list using React and Firebase. So far, I have already created the AddToDo functionality, however, now I am having trouble with the delete functionality. I believe this is where my problem lies. For example, when I try and click the delete icon that I set up, I get an error: This is the code if
how to save a variable with the current data saved in an interval updating state
I am builidng a typicall stopwatch/clock app in here. The issue: When clicking Pause Button then Split Button (which prints the elapsed time) and then start back, both the stopwatch and the printed time restart. That is because I am saving the Crono time in the handleClickSplit function. Any ideas on the best way to save that current paused time