So, I am learning react.js and was looking at the documentation where they have given a code for impure component let guest = 0; function Cup() { // Bad: changing a preexisting variable! guest = guest + 1; return <h2>Tea…
so I'm facing a non logical problem! I have an object and i'm trying to update a value nested too deep inside this object.The value is type of number. I want to decrease the number by one for click, but…
👋 Hi devs! Currently i am trying to create a template engine with only react and htm. It's think out the box, so, no CRA, no Nextjs, no other framework or library. So, It's an hard way. I need to…
Currently I'm trying to apply the styling of TableHead to TableRow as well but I'm getting Warning: validateDOMNesting(...): cannot appear as a child of . how to fix this without warning message. CollapisbleTableRow.js import React, { Fragment, useCallback } from…
I would like to share with you a problem I was having while using the DatePicker component from Ant Design - React. The first challenge was to add a mask to the manually entered date in the input field. The…
I have a validation schema defined using Yup as below export const mySchema = { ['add-record']: yup.object().shape({ 'myId': yup .string() .nullable() .required() }) } On click of some button, I invoke the validation as below; await mySchema['add-record'].validate(props.formRef.current.getValues("myId"), { context: {…
I initialized a new constant like that : const [data, setData] = useState([ { id: "a1", score: "", name: "MyA1" }, { id: "a2", score: "", name: "MyA2" } ]); I want to change the score with setData. But I…
I am using createContext in Next.js to create a dark mode button; here's the ThemeContext.tsx, it's originally a normal jsx file; I am trying to convert it to TypeScript. "use client"; import { useState, createContext } from "react"; type ThemeContextType…
I am getting this warning on first load of my App. I'm using React. lockdown-install.js:1 Removing intrinsics.%ArrayPrototype%.toReversed intrinsics.%ArrayPrototype%.@@unscopables.toSpliced intrinsics.%ArrayPrototype%.@@unscopables.toSorted I really have no idea what this is about, so there's nothing that I have previosuly tried. I went into the…
How to test a react app on different devices when there are warnings in the terminal? I want to test out my recat app on my mobile phone but the URL in the terminal is hidden by warnings instead. Is…