I am using react checkbox tree package. I have a treeview with checkbox as below. const nodes = [ { value: "mars", label: "Mars", children: [ { value: "phobos", label: "Phobos" }, { value: "deimos", label: "Deimos" } ] }, { value: "saturn", label: "Satrun" }, { value: "jupitor", label: "Jupitor" } ]; function Widget()… Read More parent check but children should not checked

I have other ways of doing the same thing .. So I am not looking for a different solution to this problem … I am looking for an explanation as to why if I have defined a integer, it still concatenates with .map as if it were a string. I have a basic set of… Read More React — Why does this line append rather than add

my code my error my object As seen in the images, react says I cannot access the .title on my object despite the fact that it exists. When I console log the object after commenting out the JSX it logs the objects meaning it is not an issue with the connection to the database. Been… Read More React cannot read properties of undefined props

I am trying to render a component based on the condition. exceptPath: [‘home’, ‘person’] pathName = ‘test’ return ( <React.Fragment> {this.state.exceptPathNames.map((exceptPathName) => { console.log(exceptPathName); pathName === exceptPathName ? console.log(‘test’) : <LinkGridLayout />; })} </React.Fragment> ); If pathName is not "home" or "person" I want to return <LinkGridLayout /> else do not return anything. >Solution :… Read More Render different component based on condition

I am trying to create a function that takes an array of words such as: const words = [‘hello’, ‘my’, ‘name’] and returns them in the form: <> <span>hello</span> // <span>my</span> // <span>name</span> </> This is the react component I created to do this: function StyleWords({words, …props}){ return( words.map((word, index, words) => { if(index !=… Read More Custom function I made that returns <span> elements is getting "Warning: Each child in a list should have a unique 'key' prop"

I am making a newsapp i want it to have different categories, instead of using react-router-dom for navigation what i want to do is create a state object and create a key in it named category and set current category as it’s value and i have sent that key as a props to news component… Read More Function sent as props being called continuously – React.js

I’m making an news app following a tutorial I’m fetching data from newapi my code looks same as tutorial but my component does not change after I update the state (this.state.articles) I’m using setState function i tried console logging the state it looks fine after the state is updated render methods runs but it does… Read More Component not changing after state change (componentDidMount fetch) – React

if i use useEffect hook as useEffect(() => {…},[depen1, depen2]). will the useEffect run if changes happen in one of the dependency ? will it run ? or do i need to another useEffect ? //GET API NORMAL FOR FIRST LOAD useEffect(() => { axiosGetCall(); // eslint-disable-next-line }, []); //GET API IF DID CHANGE useEffect(()… Read More React UseEffect dependency

If I import an object into a React file to use some values in it, could it cause a security issue? I.e., if I have an object like this: var data = { ‘name’: ‘Adam’, ‘id’: 12345, ‘secret’: 98765 } and I import it like this: import { data } from ‘db.js’; function Index(){ return(… Read More React variable import security

setIsStarted(true) setCurrentScore(0) setResultCard(false) setCurrentQuestion(0) } const checkOption = (isCorrect) =>{ setDisability(true) if(isCorrect){ setCurrentScore(currentScore+1); } setCurrentQuestion(currentQuestion+1); if(currentQuestion==questions.length-1){ setShowResult(true); } } function showResultButton(showResult){ if (showResult) { return <button className=’show-result’ onClick={showResultCard}>Show results</button> } } const showResultCard = () =>{ setShowResult(false) setResultCard(true); setIsStarted(false) } function displayResultCard(resultCard){ if(resultCard){ return <div className=’score-card’>You have answerd {currentScore}/5 correctly</div> } } const updateDisability =… Read More I want to disable the options for each question saperately after clicking the option for that question