React onclick setstate not working. May 15, 2021 · I created a state variable using.

React onclick setstate not working May 15, 2021 · I created a state variable using. constructor() { super() this. The function works when there's a button component used, and console. Therefore it is not being fired. props member of the component. Why not passing each marble state as prop (stateless functional components) ? Sep 30, 2020 · I want to run a function when the page loads, but onLoad is not working. This means when you call the set method to update the state, React batches these updates to optimize performance. state won't hold your new value right away. Your click handler is not being called, you would want to change your code like <button className="nextButton" onClick={() => this. The problem is that your console. setState() does not immediately mutate this. createClass({ getInitialState: function() { return { showIcons: false }; }, onClick: May 10, 2015 · I'm trying to create a simple form with react, but facing difficulty having the data properly bind to the defaultValue of the form. I have a basic form with an input text box to search users and an input button that submits the search. It’s a not a big deal, was just bothering me because I don’t understand why it doesn’t work. props. Among these is the useState hook, a cornerstone of functional components that enables you to add state management capabilities similar to what was once only possible in class components. import React, { useState } from 'react'; function App() { const [state, setState Jan 31, 2021 · Because the push of data to an array does not update the component (this. I don't need to pass any arguments at this moment, just need to call the function. If it worked, it only worked because await introduces one async "tick" into the function, and it happened that the state update got processed during that tick. The reason is pretty simple, when you onClick like <Company company={company} key={company. React may batch multiple setState() calls into a single update for performance. Working example: React js onClick can't pass value to method. Try to never call setState on the same variable twice in the same function. On button click, click event can not be accessible. Jan 30, 2022 · First of all, I've had a look at other answers and that didn't help. countLike - b. I can't see what I'm missing here. getAttribute('data-number'), it console Sep 21, 2023 · But setIsLoading in the try-catch doesn’t work well. value will appear null if it's not saved in another variable. handleClick} /> There are some options: checked vs defaultChecked. setState() does not always immediately update the component. What is the “it” in that sentence? So setState((state, props) => {}) instead of setState(object). log isn't being called. render() { return ( <button type="button" className="btn btn-primary m-3" onClick={this. Nov 17, 2019 · You've declared your onClick to accept two parameters, i and j, but React doesn't pass your variables to the function, it passes the synthetic event. Jan 1, 2019 · It may batch or defer the update until later. Currently, I am using Azure DevOps extensions components, and I have a panel with an onClick event, which should change the state of IsUserAddedOrUpd Apr 19, 2016 · When providing a property to a react component (such as FilterButton), this property goes to the this. Nov 11, 2021 · Im using reactjs and know it pretty well such as the fundamentals. js so Sep 29, 2017 · The problem seems to be some missing bindings needed for es6 when working with events. log printing: Have in mind that setA() is an async function. All the onClicks work just fine. Here's one way how to implement that list: Jan 3, 2023 · I can't update my state using setState inside an onClick event on a button. countLike)) you are mutating the state data because sort() method sorts the elements of an array in place and returns the sorted (same reference, not new) array. That's why changes don't feel immediate. onClick}>click me</button> ) Jun 28, 2020 · useState create queues for React core to update the state object of a React component. state right after calling setState() a potential pitfall. I try to put and console. Feb 14, 2021 · That kind of makes sense, but I probably would have called it in componentDidMount, but I’m not sure what best practice is. When you call setState(), you’re providing the return value of the setState function instead of the function itself, which is the value undefined. Nov 19, 2020 · I am new to React. Thus the setState calls are asynchronous as well as batched for better UI experience and performance. For example, you do not need state when you are not change anything, that can be a variable. bind(this)}>Count is {this. I'm not sure how you are calling your prop in the child component, but the example below allows the child component to set the parents state to the data object above the render functions return as well May 5, 2020 · Thank you all for your help, this is the following change I made. My onClick function is Apr 7, 2020 · React onclick setState not working with arrow function. Does anyone know what happens at the form action? What I want to know is why the state update timing is delayed. how to call multiple methods in onClick in react? 0. Jan 4, 2022 · Make setState true does work, but to return false and hide the component does not work. setState was synchronous, the Closure around const movies would remain the same even if useState provided a synchronous function - see the example Oct 29, 2020 · I’m having a bit of an issue with an onClick event (in the Geography component, which is a SVG) not working on iOS devices (seems to work fine when I’ve tested on other phones). This may sounds probable but it isn’t the exact reason why your state doesn’t update immediately. also try doing: <a onClick={this. May 24, 2023 · React setState not updating state immediately. setState will do it). In any case, yours should work. changeMessage. Accessing this. count}</button> ); } onClick requires a function to call when a user click event occurs on the component. For better perceived performance, React may delay it, and then update several components in a single pass. TL;DR is react optimizes calls to set state by batching them together. onClick doesn't work on first click after rerender. React's setState not working on button click. Feb 27, 2020 · In React, e. I changed <input type="submit" onClick={async =>{await this. log(this. See full list on ozmoroz. The reason is that setState is more of a request for the state to change rather than an immediate change. What am I doing wrong import React, { Component } from "react"; import ". So imagine a simple increment function increment = => this. You call the setState function with the new value but then when you try to use that state, you find that it hasn't updated yet! Feb 14, 2021 · You should not call setState() in the constructor(). These are the approaches used to resolve the issue. I'm using the callback of setState() to log the state and change the value of updated. Jun 18, 2017 · I created a new React project, added the Home. So It works with old data. Jun 22, 2018 · I'm trying to get a dropdown working inside a form for one of my React components. then you are free to do with it what ever you want. Meaning the state property you're checking might not be stable. Other questions about "first click not working" I've seen are all about the state not updating on the first click. This makes reading this. I've tried two approaches, one is : <button onClick={() => setColEdit("")} className="bg-red-500 text-white p-1"> <i className="pi pi-times"></i> </button> two is : Dec 19, 2022 · I'm trying to do a very basic thing in react which is wroking in previous versions properly but not in react 18. Sep 5, 2024 · React's ecosystem offers various features designed to enhance your development experience. I did a counter with useState hook; the app displays + and - buttons and a text, initially 0. js and am trying to learn state and set state by writing a simple addition ap. onClick of the component. js, App2. setState({isTrue: !this. Feb 6, 2022 · I'm trying to call two functions in a single onclick, however only the first one sets the state. When you pass onClick to a custom component, it gets passed in as a prop. But when I change it like onClick={setEarned(calculateEarned)} it works but one time and when the page loaded. Nov 28, 2021 · Other than that, what you want to do can't be directly achievable by how you are handling child component's state. – Dec 12, 2019 · I want a random number to be generated and put into the "roomid" input field once the "generate" button is clicked, but the value shown is still 0 after I clicked the button. props,name:"XYZ"})} May 23, 2018 · setState is asynchronous and won't update the state straight away. changeMessage = this. React code like this: import React, { useState, useEffect } from 'react'; import { Button } from 'antd'; interface SomeData { id?: number; content?: Jan 7, 2019 · please note that while the advice is very good, the explanation of the cause can be improved - nothing to do with the fact whether or not the updater provided by useState hook is asynchronous, unlike this. It will not be called, just returned. I suggest to save your time and use onClick event instead. js call selectNumberOfPeople, then In my child component ( call General) I had a button as: <button className="selectedNumberOfPeopleButton" onClick={this. I'm importing this class into a main class so maybe my main class can't read the functions inside or something? var Aug 12, 2020 · I learn React and wanted to get react-router-dom working but something is wrong in the code Basically I have a click on an image that goes here: onImageClick = val =&gt; { return( &lt;Link Mar 7, 2021 · @nnam4x React batches the state update. Oct 2, 2017 · I am trying to push elements to an array of objects in the component state (in react. @SunnyPro Read the linked docs and you shall find your answer. setState doesnt work im Feb 5, 2017 · I've just started learning React. i'm only trying to pass setState function to child component but it's always undefiend. The server action is simple email sending and it is sendEmail() at the code. Otherwise it should be enabled. log inside the function and it work, but the setState doesn't work. so if you use click event is correctly, you have to use arrow function like this. log will execute before state is updated), but if you still want to do log your cart, you can do: Mar 30, 2021 · It will call everything you have between curly bracets. com Jun 4, 2024 · When you update the state using React’s setState function, the state change is not applied immediately. onClick vs onChange. When I call the function by button press, it w Sep 17, 2019 · I have a button onClick, to handle other 2 function, some weird reason the setState one wouldn't work if I have 2 function, if I just keep one function, setState will work, but I need both function. handleClick()}>Next </button> Mar 2, 2019 · Good day! Is it possible to trigger multiple functions on the onClick event ? I would like when the user clicks on my button to setState and then run a function. I want to calculate some numbers here. setState((prevState, props) => { return { week: prevState. js), I am calling the method Array. id} onClick={this. Following solutions from other answers, I tried calling a single function which would then call the Add() and Del() functions, but that didn't work. onMouseOver not working in react. Ryd Commented Aug 26, 2019 at 11:26 Problem 1: The state update is an asynchronous process, so, in your case, you're updating the state for the first time by spreading the current state, then you're updating it for the second time, by spreading also the current state (not updated yet). However, I have been doing research on this weird behavior and havent been able to find the culprit. If you will check the state update immediately after updating the state react then you may not get the updated state. Mar 4, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 21, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 31, 2017 · I'm trying to update my component state when you click on an anchor tag inside the render method. If you want to change the child component's state, the due to unidirectional nature of react, you can't simply access the child's state. Maybe useEffect is the only way to do it. bind . Props are Read-Only. Mar 21, 2019 · React setState not triggering a re-render with Contexts. . this. Whether you declare a component as a function or a class, it must never modify its own props. May 22, 2019 · in class component, I used async and await to achieve the same result like what you did to add a callback in setState. Instead, if your component needs to use local state, assign the initial state to this. Onclick component setState() of main component. isTrue} onClick={() => this. Not sure why but these onclick events are not firing for me. Dec 3, 2020 · I think you are trying to use useState(); Make sure you import useState at the top first and also use function component instead of the class component : Jul 22, 2020 · The onClick on trigers when I clicked on the button but not when I clicked the img or div. value}); console. Let’s dive deeper into why the state doesn’t update immediately… Plenty of articles have been written about this saying setState is asynchronous. May 8, 2018 · here is my situation on React. js app. 1. Again, without doing anything else, just clicking one more time in the same spot fires the onClick as expected. company in the Company component, Jan 11, 2021 · That's not a right way to set a onClick in react. As suggested by Quirksmode's click documentation:. For example: const onChange = e => { console. Dec 15, 2019 · Because if you say it did not work because of the console. handleUpdateCart() function is called before the *Goods states are changed. From the docs: setState() does not immediately mutate this. js, the but I've created a mobile dropdown menu that toggles open and closed based on state. Apr 8, 2019 · I'm making a calculator app in React. The API was being called with the older version of the state. value would be undefined. I have encountered problem with onClick event on my submit button, it doesn't seem to work. So no, your approach will not get the updated value from this. Please verify that you get the updated state there or not? – Nov 1, 2020 · I have an input field and submit button but the button remains disabled till the input is empty. ProfImage = React. count Jul 9, 2020 · Whenever the setState method is called, the state gets a new reference. editCompany. Oct 24, 2021 · setState is not working with multiple onClick function. state directly in the constructor … Avoid introducing any side-effects or subscriptions in the constructor. onMouseMove doesnot work outside of element react. Maybe one of you react elites Sep 27, 2021 · My aim is to get the Data from an API call on first rendering of the page, store it in a state variable for further use. handleButtonClick. people is actually not a state, but rather a property. Jun 16, 2016 · The state is changing exactly the way it is supposed to. 2. setState doesn't return a promise. However, even after the button is enabled, the onclick function does Jul 13, 2021 · okay. If you haven't react developer tools (which I highly recommend) you can check the real state by adding this code in the function: useEffect(() => console. changeStateMSG({this. push(newUser) as a second parameter to setNewUser; called newUsersList. I have other fetch calls which look exactly the same but work fine. sendEmail() is always working. You can check the updated state in render method. Might be a good idea to test that. Ah, the infamous case of React setState not updating state immediately! This issue arises because React batches state updates to optimize performance. onClick function not working using context-api. React onClick event does not fire setState. logs the needed value. The weird thing is that when I also place the button in App. 1733. log(a setCount tells React to re-render the component later with the updated value. Make sure your code in ShowItemTodo has a line that looks like this: return ( <button onClick={this. setState({value:e. log Mar 18, 2019 · You cannot change the props as the react docs says . log(), and that is not even working. Sep 25, 2019 · Even the root element does not register anything on the first click. So I’m not sure what the issue is. I've tried binding inside the constructor, but still the console. Don't register click and dblclick events on the same element: it's impossible to distinguish single-click events from click events that lead to a dblclick event. pushDeck(id, name) { var newDeck = [{ Sep 4, 2016 · You are trying to mutate state (access this. im trying to get the 2 values of inputs using state but am not getting anything when i click on Apr 23, 2015 · There are nice answers here, and i agree with @Austin Greco (the second option with separate components) There is another way i like, currying. The code in both apps looks like the Oct 23, 2018 · From this, I can gather that the final step of the fetch call is not succeeding, because this. for example, in onClick={ *method* } , { , } means React Code in HTML. React State not getting updated onClick. import React, { useState } from 'react'; function App() { const [state, setState Jul 2, 2024 · React's useState is asynchronous. isOpen also a quick little tip, it is possible to use just one function for opening/closing the modal. Apparently what was happening is that setState() was updating the week state late. active} onClick={this. But I find that state property value is not changed. I checked your code, n here I just changed some unnecessary states you have done there. log it right away (console. setState function not working on child component. in the console. field and increase its value) that's what ++ is. Dec 20, 2019 · You need to bind the function in the constructor. js and SayHello. state right away after calling setState, and you cannot catch the updated value in console. i and j are already in scope at that point of the code, so there's no reason to add extra parameters to your function. But setState is still exhibiting strange behavior. so If you use like this onClick={ *method* }, method is excuted by render without click event. Here I have App component and Button component. It may batch or defer the update until later. state but creates a pending state transition. useRef(callback); // Remember the latest callback: // // Without this, if you change the callback, when setInterval ticks again, it // will still call your old callback. So for handlers to access state just put these bindings in you constructor : Oct 30, 2019 · In many cases, Material UI Checkbox onChange event is not working. React batches those setState calls for performance improvement. /App. Instead, React batches state updates for performance reasons, applying them Jan 4, 2023 · You are trying to update the state of your React app with the useState hook. What you can do is create a function that accept a parameter (your parameter) and returns another function that accepts another parameter (the click event in this case). Update your function to: handleclick = (e) => { e. setState is not working with multiple onClick function. js and currently I'm working on simple "to do" app. The latter would ignore state changes. I have a modal that is passed in a onClose function prop. state = { message: 'Subscribe to NewsLetter' } this. Nov 20, 2020 · If you want to open the dialog when you click the button, you can change the pop function to set the state to true making it like: const pop = => { setPop(true); }; Jul 16, 2016 · I am trying to call a function when a user clicks a div (using onClick in react). props with name:'XYZ' using spread operator. setState({breaker: false}); }, 2000) Remember that anonymous function will have context window inside, unless you explicitly bind it with Function. count + 1}); and a block of code: increment(); increment(); increment(); Now react may batch these into something analogous to: setNewState = (oldState) => { newState. The former would respond to both state changes and clicks. value) would appear as the value but then in setState, e. 3. target. How to add a class to a given element? Jun 26, 2020 · The problem is not in setState. This is a potential pitfall to be aware of. – Aug 4, 2018 · This seams like is a perfect example of abusing react ;) Direct changes in (real) DOM are slow - you're making 3 operations and render (by setState) destroys them. The answer you've accepted on this question makes no sense. The problem I have is that onclick is not firing up. During the call, a loader keeps spinning and when call is successful, the lo Apr 16, 2021 · setState(podaciLjubimci. sort((a, b) => a. value); setState({blah: e. ; Please follow updateGenres method, to check how we did it in an immutable way. js file where I render the whole thing). push(newUser) inside useEffect when the newUser state changes; None of these solutions . Apr 3, 2018 · Lets sort out a few things. Works perfectly. push(newUser) after executing setNewUser; added newUsersList. setState is asynchronous and react tries to batch setStates together to minimize the number of re-renders. Then I put the Switches in another app, but they don't work when clicked. bind(this) } React state not updating onclick. The method evaluates updated and uses setState() to change the data being used. Oct 5, 2017 · When the Button is clicked it should call the handleUpdate() method in App, which is passed down as a reference for onClick in props. When the cancel button is clicked it should trigger the onClose function Nov 16, 2020 · When we click on the switch the state &quot;valueState&quot; does not update I don't know why ?? Also, I have a &quot;statusValue&quot; type problem because &quot;switch antd&quot; accepts boolean by Apr 18, 2017 · Think of setState() as a request rather than an immediate command to update the component. But then, you have put this onClick handler into another function: onClick={() => Onclick()} And this is causing the strange behaviour, because when this is called, it will return an onClick handler function you defined higher. onClick={() => this. Oct 26, 2021 · I have a component. <Checkbox checked={this. log statements immediately after your call to setState are firing before the new state is set. Mar 2, 2019 · Good day! Is it possible to trigger multiple functions on the onClick event ? I would like when the user clicks on my button to setState and then run a function. log for the same reason. Jul 21, 2017 · I am very new to react and I stuck on some idea. You should just pass "XYZ". preventDefault(); this. React does not guarantee that the state changes are applied immediately. Here's my code (And when I reproduce the issue here, it seems work, but the sample it's not update API, it's just change the state) Jun 12, 2019 · I'm building a simple user search app using React and TypeScript. Jan 2, 2020 · Learning React via a tutorial and I don't understand why I have to create a new function to pass to a JSX onClick and can't just use the one returned from a React useState call. It's better not to use refs in such cases. When you click outside of that pop-up, it should close but when you click inside of it, it should stay open and call the test Apr 20, 2020 · The first one is correct: setShow(s => !s); Although the second one works in this case it is not correct: // bad code setShow(!show); Why? Setting state is asynchronous - but what that really means is that setting state is deferred until re-render. Hot Network Questions The extremum of the function is not found Are qualia an illusion? Mar 20, 2020 · A state property is ReactNode, I want to change the property, and then get property value in some onClick functions. Here is how I'm setting up the dropdown portion of the code, the following is inside a form parent tag which is in Dec 11, 2019 · I want to call the function when a user clicks on the IconButton component in AppBar so i tried to give the onClick attribute to that component with a arrow fuction having a call to toggleDrawer(), but it is not working i have to call the function directly from the onClick attribute in order to work. bind(this)} /> its not an event that is set on the component, rather a prop that is being passed to the Company component and can be accessed like props. So if method is alert('') then alert will display when once page is loaded. Component{ render () { return ( &lt;d Oct 7, 2022 · I am new to useTransition hook in React and I'm not sure how this hook works. The below works as it calls handleButtonClick on the button click, but it does not work if I just pass the setMessage function call with a string instead. const [drawing, setDrawing] = useState(false) Then I've this button which should update the value of drawing <button onClick={() => toggleDrawing}>Toggle Drawing</button> Oct 30, 2017 · I see what you're saying, that my method might not work when setState decides to wait. The state was most likely not yet changed when you try to print it. Use: <input type="checkbox" checked={this. I am just doing a simple console. None of these messages appear on the first click. Mar 1, 2016 · The click event works fine, but the onmouseover event does not work. Jul 2, 2024 · React's useState is asynchronous. Also you create some chaos in your state, the elemelts should actually not be part of the state at all Sep 25, 2019 · I am trying to update the set in a react component but there is no change after I update the value. But the e. Instead of updating the state right away, React queues the updates and performs them in batches. Otherwise have a look on the React Lifecycle (helped me a lot to Feb 11, 2015 · I have a basic pop-up (an image) that appears when you click on a button. This applies on both functional/Class components. js files (and an index. setState({count: this. That means, that this. So the process to update React state is asynchronous for performance reasons. So, when the onClick event occurs, it’ll try to call undefined instead of the setState function. Aug 15, 2019 · I have a component with a button which I've changed to Link component, since I need to scroll to a specific location on the webpage and set a component state. preventDefault() does not work. Or to quote the React docs here: setState() does not always immediately update the component. May 3, 2019 · I'm trying to update state within an onClick event handler according to props. retrieveData();}}/> To this Jun 12, 2017 · I'm trying to change the state of one component from another component and my state is not updating, I'm sending back the prop i want to update in my app component but this. setState({ title: "Edit", loading: false, projectData: data }); is clearly not having any effect on the page data. prototype. log("started"); setResource(fetchProfileData(nextUserId, 2000)); console. Mar 25, 2019 · setState is a built in React function and running console. When I run with a debugger I see that it does come and go into the closeQueryDetails function, but in the end, the view does not change and stays the same, as when the setState was true. Checkbox usually have a boolean value. week + 1 }; }); However this did not fix the issue, and I am still having the same problem. log doesn't mean it will not render correctly, the problem here is that setState is asynchronous, thus you will not see it if you console. It collects multiple state changes before updating. This means the original state doesn't have a new value, but instead creates a new state with a Aug 26, 2019 · Its only gettting logged because you´re initially calling the log function, it´s not being logged after the setState has happened. js. useRef(); const callbackRef = React. state that could have been mutated if this. Oct 12, 2019 · React onClick setState then run function. So if you provide an onClick property, it can be found in this. So e. log("end"); }); Sep 9, 2020 · Your prop name is spelled incorrectly, it should be this. When click the button it's not working with onClick={() => setEarned(calculateEarned)}. Oct 4, 2020 · Your code is fine, you just need to change onclick to onClick. Jan 25, 2019 · My React button's click is not responding to onClick. or you can pass a object with this. The former would always trigger on clicks. Mar 29, 2023 · I have a strange problem with react setState(). state after calling this method can potentially return the existing value. In other words, setState doesn't update the slice the transtion has a closure over. I am trying to use an onClick function to get the id of the clicked button, so I can then specify how to handle each accordingly. When I click a button, despite I setState with parameter (event. The behavior I'm looking for is this: When I open my page, the Jun 8, 2014 · So, the proper way to handle eventing in this case would be to pass the event handler down to the child component. Jan 18, 2019 · I've put some Switches in an app and they work fine. My jsx code is: Apr 17, 2018 · Looks like you need to bind the click function. ; After we have the id, then we toggle the selected genre isSelected flag. It will work always. concat which returns a new array. Here is my code: Dec 19, 2017 · React newbie here. isTrue})} /> Aug 26, 2019 · the Onclick inside the Map loop works fine but the one on the MenuItem outside the map loop does not fire didn't know what to do I tried to do some console logs it seems that it fires when I press on the select dropdown menu not when I select an item didn't know why this strange behavior the MenuItems inside the map loop works fine the onClick Mar 7, 2017 · setTimeout(() => { this. preventDefault() May 23, 2018 · im a noob in react. State is not changing in onClick event. I will add another example in the original to demonstrate this. You have to assign the event handler to some element in product component, which will fire the method passed to it as prop something like this I have 2 submit buttons in my react form. I think I have got a problem with passing props to parent elements. Jun 1, 2018 · Here's how we can do it: On each clicked Genre, we get its id. log(e. What am I doing wrong? So after hours of investigation I managed to find the root cause of the problem. Anyone know how to solve this issue as I wan the user to click anywhere on the button (including the img and div). It guess it is not the Dec 20, 2017 · With React you're supposed to build components and subcomponents, not compose long HTML strings. Try Teams for free Explore Teams Just because you don't see it in console. This is my code: Jun 16, 2022 · The reason is both transition calls in one handleClick call refer to the state of slice from the render call transition was defined in. When I try componentDidMount its says 'Cannot read property 'email' of null'. state. From React documentation. class Application extends React. Even if I added async and await , react will not wait for state to update. It tries to increase that state value, and then assign it to new state :) Only ever mutate state by calling setState. It fires at the same time as the server action response returns. There are a few ways to accomplish what you want, and I might implement this behavior differently (not sure what the use case is), but I wired up an example in JSX for you that demonstrates the typical event handling between Parent and Child Components. 6. React state set function in onClick. I'm fairly new to react. log I'm getting empty string as the initial state value. css"; class App e Jan 17, 2022 · The problem here is that the setNewUser function is not working and as you can see I tried 3 solutions : running newUsersList. Mar 7, 2022 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. Dec 12, 2018 · onMouseUp and OnClick are working fine, but not the onMouseDown. value}) } In the above example console. How does the setState work inside useTransition arrow function? Here is a piece of sample code for useTransition: startTransition(() => { console. Why function useInterval(callback, delay) { const intervalRef = React. check the code : Jun 26, 2016 · Only react components have setState method. setState) will therefore always log a function, specifically that function. React state does not change. I have a function on my App. Apr 6, 2020 · setState() does not immediately mutate this. Your second setOutput is reading the old output value before it is updated to an empty string. this is my code React version: 18. So here is another way to solve this problem: Oct 10, 2018 · It looks your page refreshed on button click, because it is inside a form object. And that's the reason your console log shows you sorted data but it does not re-render the component. Once it's open, I would like the user to be able to close the dropdown by clicking anywhere outside the ul. 1. You're basically undermining React's usage pattern, which is precisely the reason why the attribute you're using contains the word "dangerously". Unfortunately, it is not working in hook. Jun 13, 2017 · onClick does not fire on custom components, it only fires on dom nodes created from jsx. Hot Network Questions Apr 20, 2021 · Usually, this can happen because setState is not an immediate command. selectedNumberOfPeople} value="1"> 1 </button> which was displaying the value in the console on click. The problem in the code. I already tried to change the component to fu Sep 11, 2014 · This is not a limitation of React, it is a limitation of the DOM's click and dblclick events. 0. May 13, 2019 · Set state is asynchronous. Having trouble with onClick not working properly. Both apps are using the same component. Here it is working in one app: And here's the other app, not working: In the second app, the onChange handler doesn't seem to ever fire. As a result, the state might not update immediately, causing the UI not to reflect changes instantaneously. Hi so i got my react function with a state that i use to know which componont should be rendered at a given time; here is my main App Function (i only include the function not the rest of class since it is not relevent) My app function Dec 17, 2017 · You are not using the onClick prop passed to product component inside that component. js, App. toggleModal} </a> – J. rxf ucwk tviw njpzat dxfcph sxiwhjjs yarj zxgnr vrf rrfqt