Unload event alternative react Publishing an Event I would like to add a button for an ag-grid table column in reactjs at the time column definition. 3 How a creator of React is rethinking IDEs. push, etc by closing t can some one suggest me an example that if user have enter data in input ,,, then if user want to close tab/browser show alert for unsaved work,,,,, But ,,, then if user blank the input form then,,if Detect HMR event with ViteJS React/SolidJS. Assigning the handler to a no-op might be more reasonable in the event of the component unmounting if you want to ensure the event doesnt fire after a components In react-router v2. Use the useRef() hook to create a ref for the callback function, fn . addEventListener() to handle the 'beforeunload' (when the user is about to close the window). reactjs; api; react-hooks; dom-events; use-effect; Share. 5 * COPYRIGHT: Copyright 2020 Mark Jansen According to the specification, to show the confirmation dialog an event handler should call preventDefault() on the event. I am making a library of components in ReactJs according to Atomic design, so, I have, for example, a Button injected in other component, and I would like to know how I could write a props for Button, so everytime the user press the button would launch this prop(a output in Angular way) to be onbeforeunload is the one you want; your function "should assign a string value to the returnValue property of the Event object and return the same string". 1. Show , Form1 '--- Form3 is modeless '--- using instances With New Form2 . onload event"); window. Thanks!. Keep in mind that, similar to beforeunload, the unload event is also limited in terms of reliability for sending data. But the event itself is not the most reliable. Here When a user refreshes the page or closes the browser/tab, both actions trigger the beforeunload and unload events. removeEventListener() to perform cleanup after the component is unmounted. – J. This article will cover the key concepts surrounding this issue, as well as solutions and alternatives to ensure your application "The reason this fixes the deprecation warning is that we're no longer using the bare event keyword, which was the source of the warning. In my testing, it did not respect the MIME type of a Blob in the I'm trying to use "pushState" and the "popstate" event to trap Back button navigation, however, while the popstate event triggers correctly in Firefox, it doesn't trigger in Chrome (Version 76. One of the limitations of beforeunload and unload events is that it does not work well with the browser back buttons (also known as back/forward cache: https://web. 12. useEffect(() => { const handleBeforeUnload = => { console. dev/bfcache/) When you have unload/beforeunload event handlers, browsers will not place pages in the bfcache - so could $(this). The string you return will be used by the browser to present the user with a custom confirm box, allowing them to refuse to stay there if they so choose. setRouteLeaveHook(props. Bulletproof React just got updated! 🚀 - A simple, scalable, and powerful architecture for building production ready React applications. It is fired after: Which events i should use? I am using react and axios, maybe there is some way to do it. If you're specifically trying to detect page unload events, the pagehide event is The unload event is sent to the window element when the user navigates away from the page. Your code is very close to their preventing transitions example. clicks An alternative is to use DOMContentLoaded, which will execute once the DOM is ready. routerWillLeave. Just adding an additional answer for React Router v6 users. 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Alternatively, react-router-dom suggests using the Prompt component to conditionally block route transitions. ; Use the useEffect() hook and EventTarget. The bfcache is an I am working on a React based PWA. onBeforeUnload not working correctly for Chrome. So far I have tried this code: A community for discussing anything related to the React UI framework and its ecosystem. Updates to your last codesandbox: Use blocking state versus react ref so the prompt rerenders and reevaluates the condition. This approach is generally preferred when you want to perform initialization tasks or set up event listeners in a React component. info("The parent window is loaded"); // some code }; } The first console. onload function From MDN:. And the description of the EventListener interface: Parameters. Join the Reactiflux Discord (reactiflux. js file it should run when the app is loaded. Closing the browser window will cause the event to be triggered. 0-beta - useBlocker and usePrompt were removed (to be added back in at a later date). Check the docs from Microsoft and Mozilla for details. However, React hooks can make it easier to manage these events and changes in a more organized If you got the "'event' is deprecated warning" when using React. React. However - and this is my main issue - the window. after bit of exploration i come to know pagehide and pageshow methods are applicapble to firefox only. Use the useRef() hook to create a ref for the callback function, fn. 8 doing an ajax call on window. 2 (current version at the time of writing) that we should use existing code as an example. callee which is referencing that anonymous function. Am I missing something or react prevents from using this events? Handles the beforeunload window event. In React. Typescript React componentDidMount not getting called. Wrong In my experience, tying side-effects to componenWillUnmount although attractive at first glance, never works perfectly. ex: var button=document. Typically, the unload event fires when you navigate from one page to another. commit, title: this. 1 javascript onbeforeunload then onunload I need to capture an event which should be triggered just before the content of the iframe disappears. props. From testing, it looks like the popstate event only gets triggered if the user interacts with the page (ie. I've also tried 'DOMContentLoaded' but with the same result. It might be adjusted to include forms submission or 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company This is best handled via react-router: setRouteLeaveHook. unload. in fact), so you're surely CAN'T react in onunload or onbeforeunload on sitation like user hibernating its system 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company React component and hook which listens to the beforeunload window event. log("Running unload"); }; // handles when page is When a user refreshes the page or closes the browser/tab, both actions trigger the beforeunload and unload events. push, etc by closing t In react-router v2. I can see beforeunload being triggered, but not unload one. I have searched everywhere and it just doesn't work for Handles the beforeunload window event. However other event like for example 'scroll' or 'resize' works properly and my controller updates. You can achieve that changing another property to start the exit transition and check that change in componentWillReceiveProps. width, modal: true, buttons: [ { text: this. Since you're wanting to send data to server before user moves out of the page, you can use this method in a unload event handler. So yes, if you want this to happen, it would need to be done manually. componentDidMount(){ window. unload event is not always reliable, especially when it comes to handling page close, tab closure, or form submission. The user could have clicked on a link to leave the page, or typed in a new URL in the address bar. 0, last published: 2 years ago. The custom hook useUnload receives a function ( fn ) and Handling window and environment events and changes in React components is definitely not a one-size-fits-all solution. By using useEffect with an empty dependency array ([]), you ensure that the code runs only once, after the initial render of the component. The forward and back buttons will trigger the event. parents('. Modified 2 years, 7 months ago. Introduction to the JavaScript unload event. unload event listener, which is a deprecated API. At the point at which the beforeunload event is triggered, the document is still visible and the event is cancellable, meaning the unload event can be prevented as if it never happened. runtime. The traditional I am using react-leaflet for showing non-geographical map. 0-or-later (https://spdx. However note that not all browsers support this method, and some instead require the event handler to implement one of two legacy methods: assigning a string to the event's returnValue property Now I need exact replacement for this code in jQuery, not RAW JS alternative. But if you're writing code in total functional components the Effect Hook would do a great job it's the same as componentDidMount and componentDidUpdate. js, make sure to access the event parameter in the event handler function and not the global event variable. 0 How to manage an event unload. Instead of me triggering the event, I simply used the Prompt component of react router, like so: Just like that nice warning you got, you are trying to do something that is an Anti-Pattern in React. callee); }); 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I would use onChange + onFocus, then call . It works nicely on page reload for major browsers like Chrome, Firefox and Edge. event global variable so the React. 0. onbeforeunload event handler property contains the code executed when the beforeunload is sent. I also tried the onunload, but it did not work. This event fires when a window is about to unload its resources. addListener would become invalid when the event listener returns, see this answer for This solution does not wait that the call is completely executed before unload. I can achieve that with $(window). Note: The onunload event is also triggered when a user reloads the page (and the onload event). info is being executed. Just like that nice warning you got, you are trying to do something that is an Anti-Pattern in React. Here is the code I am experimenting with: <!doctype html React Events. At the point at which the beforeunload event is I need to use navigator. The WindowEventHandlers. Avoiding unload event listeners can help you take advantage of the back/forward cache (aka bfcache) in modern browsers. ; Use EventTarget. 3 redirecting an onbeforeunload. addEventListener('click',function(e){ //some code to be runned this. returnValue = "Are you sure you want to close?") }) When registering event listeners, you should do this with useEffect so you properly remove the listeners. 3 * LICENSE: GPL-2. useEventEmitter: This is a generic hook that takes an "eventName" of type string and uses a generic type for the event data. The Lighthouse deprecation/warning has nothing to do with the useEffect hook though. According to another question, here, React does not bother unmounting components when the page unloads. I am pretty new to react, so 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company "The reason this fixes the deprecation warning is that we're no longer using the bare event keyword, which was the source of the warning. Documentation for React Router API Reference. In this case, beforeunload event is fired. In browsers that don't support visibilitychange the pagehide event is the next-best alternative. Secondly i tried setting Async=false, as suggested in this answer OnUnload . This is a no-no. Handles the beforeunload window event. I put a breakpoint on @HostListener and it doesn't break there when I open a different component. Note that you should never use the unload event unless you have a good reason to do so. 0 today: The best React Table & React Data Grid in the world. bind('beforeunload', function() {} ); Share. g. bind(this)); } routerWillLeave(nextLocation) { return false; } And when component is unmounted, unregister the leave hook: React Routerはこのような実装を短縮してbeforeunloadにイベントハンドラを登録するときのヘルパーとしてuseBeforeUnloadAPIを持ちます。ページをアンロードしたときに確認ダイアログを出したい場合は以下のように記述します。 You'll need to handle all the different ways a user leaves the component differently. ADMIN MOD useEffectEvent alternative? Discussion I was just reading about useEffectEvent and it looks like it would solve a lot of the problems I've been having Try unload event instead of onbeforeunload. @siluverukirankumar Return value (function) of a callback is what is being called on destroy (unmount event). There are 46 other projects in the npm registry using react-beforeunload. The second parameter is where React would look for changes to rerun this hook. The unload event fires when a document has been completely unloaded. Promises So, let's build an abstraction layer around the Promise object, which represents the future result of work- like a response from a network fetch(). 2. I see that you're using e. unregisterLeaveHook = props. React · June 28, 2024 Listening for events with React hooks. router. Although I still can't manage to trigger the beforeunload event, I managed to figure out a workaround of sorts. javascript's unload and beforeunload alternative-1 onBeforeUnload/unload. Unfortunately all major browsers removed support for the custom message in onbeforeunload event, now they just show their own generic text. 5 * COPYRIGHT: Copyright 2020 Mark Jansen I am trying to call a function when user closes the tab on window. github. In this article, we will explore the importance of these event listeners in React, discuss their best use scenarios, provide code snippets for implementation, and highlight best You can abstract the beforeunload event handling to a custom hook with the useRef, and useEffect hooks. React events are the actions due to user interaction or system events. The document is still visible and the event is still cancelable. bind('unload', function() {}); but onload is a catch-all event: it also catches page refresh and navigating to a different page on the same website. Ask Question Asked 2 years, 7 months ago. 4 * PURPOSE: Test for RtlGetUnloadEventTrace. Then you can add the 500ms delay and continue to unmount. Believe me we use it heavily on timeonsite tracker for unload, refresh and forward events. The object which receives a notification (an object that implements the Event interface) when an event of the specified type occurs. images) to load, and inline scripts run before the onload event fires. Except of IE :) Take a look at browser compatibility list. Show vbModal, oOwnerForm End With With But the 'load' event doesnt seems to work. I'm trying to use this property to call a function when the component has loaded but I don't think I'm accessing it correctly. Know when to use and the limitations of onbeforeunload. Use beforeunload when the page is reloaded or closed, use an effect cleanup function to handle when the component is just unmounted. Start using react-beforeunload in your project by running `npm i react-beforeunload`. addEventListener('beforeunload', (ev) => { this. sendBeacon('ajax. onunload occurs when the user navigates away from the page (by clicking on a link, submitting a form, closing the browser window, etc. ("Binding to the window. close inside it. 0 or above and before v4 there are several options. Thanks man, you saved my life and the app of sending gazillion of unnecessary requests, haha. However, we want to log the user out only when they close the browser/tab, not A combination of componentDidMount and componentDidUpdate will get the job done in a code with class components. upvotes r/reactjs. Start using react-beforeunload in your project by running A tab/window close or a page reload event mean that the current document and its resources would be removed (unloaded). Add unload event to div. when the tab/window is closed or the page is reloaded), React should unmount all components to prevent memory leaks. Is it possible? Can I handle browser tab close event without refresh case? If I use beforeunload or unload events, function triggered when user refresh page, I don't want this, I want just run when closed tab. A community for discussing anything related to the React UI framework and its ecosystem. As of v6. It would seem that somewhere in your app you have instantiated a window. Thanks again, super happy now! 🙂 To listen to events see . React Animation not working on unmount of component. React allows developers to handle these events using a declarative approach, making it easier to create interactive and dynamic user interfaces. 0-or-later). 0. . However, we want to log the user out only when they close React component and hook which listens to the beforeunload window event. So, in short: The onunload event won't fire if the onload event did not fire. For using an external service I have to add a JS script at runtime. redirect on a button click), but it seems it is not getting triggered. onbeforeunload onunload There is no React useEffect hook cleanup function alternative. For instance, there is event emitted from the window when dom is loaded. 4. The unload event is fired when the document or a child resource is being unloaded. ui-dialog') . apiCall(); // calling an api to update some data }) } using Page Hide or PageShow as Webkit provides alternative to this problem, but the result is same, chrome is not firing the onpagehide event only. When it is an empty array it would run just once. Didn't know about navigator. sendBeacon (much nicer API than fetch but strange name, btw), once I've read a bit about it I learned also about the unreliability of fetch on unload. My intention was to show the popup about losing unsaved changes that shows up when the beforeunload event is triggered. jQuery doesn't have a shortcut for onbeforeunload so you'd have to use the generic bind syntax. It resorts to sending a synchronous with this ref, I can refer to the iframe from my react component: componentDidMount() { this. Use the useEffect() hook and EventTarget. The best event to use to signal the end of a user's session is the visibilitychange event. The unload event is fired after: beforeunload event; pagehide event The problem is you are calling setTimeout outside useEffect, so you are setting a new timeout every time the component is rendered, which will eventually be invoked again and change the state, forcing the component to re-render again, which will set a new timeout, which. onload = function() { console. You can run some code as soon as the page loads in useEffect() of react-hooks in react or componentDidMount() if you're using class based syntax. My goal is when browser tab closed calling function logout. DOMContentLoaded fires when the page is visible, before onload does. I'm using I would like to detect when the user leaves the page Next JS. let me show you can some one suggest me an example that if user have enter data in input ,,, then if user want to close tab/browser show alert for unsaved work,,,,, But ,,, then if user blank the input form then,,if "Child" forms do get the usual events. sendBeacon() on window unload in order to let my server know the client has closed his window. (on umnount) it's by far a completely different copy of the function from the one you used when you added event listener (on mount) in the first place. Latest version: 2. Still the onbeforeunload does not fire. php', fd); }); There also seems to be a polyfill for sendBeacon. I am using react-admin framework (3. removeEventListener('click', arguments. window. Event declaration in react is different from HTML, React uses: the camelCase convention instead of lowercase letters. The event works as follows: "The beforeunload event is fired when the window, the document and its resources are about to be unloaded". sendBeacon function, but it didn't help. onMessage. import React, { useState, useEffect } from 'react'; function Example() { const [count, setCount] = unload events should be fine for your scenario. – Am trying to handle unload event on browser redirect (e. For example the following code does an HTTP request while the page is being closed: window. 6. There are two solution for this depends on what kind of I am building a website in react with multiple pages using react-router-dom and I want to be able to handle the equivalent of a window 'beforeunload' event whenever I am about to switch pages using react-router. addEventListener('unload', function (event) { (async => { const response = await fetch('/my-endpoint') console. 0 Unload loaded Javascript. event The DOM Event which was triggered. 87 (Official Build) (64-bit)) if there is no user interaction. let me show you When the unload event is fired on the window (e. When the url changes in any way (user is navigating away from the edit form), the beforeunload should fire. If you replace await logout() with await new Promise(resolve The reason you want to do this most of the time is because many languages compose characters with several keypresses. Viewed 1k times 3 . Download AG Grid v33. I count 3 ways of leaving a page: by clicking on a link by doing an action that triggers router. 0 (Moved from Performance to Best Practices audits). ui-dialog-buttonpane button:eq(2)') . As per my research, i found the following way to achieve the same using window's beforeunlaod event:. (onZoomEnd())I wonder how to access map object or map component and get current zoom level. And it is now standard in HTML 5, and you can test for browser support but note this requires the <!DOCTYPE html> (at 3 * LICENSE: GPL-2. It's hard to say with 100% certainty without seeing your project structure. Share. I am trying to call a post method I made myself before my component is unloaded, but it doesn't work. I think what you have is the best way to do this. The point I am trying to make is that doing all of this work 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog A tab/window close or a page reload event mean that the current document and its resources would be removed (unloaded). Notice that on Form_QueryUnload the UnloadMode parameter is vbFormOwner. The easiest for US-101 keyboards to understand is pressing the shift key + a is A, compared to just pressing a. " I don't have enough experience to argue for or against this This is an old question, but you need to use fetch with the keepalive flag set to true in the beforeunload event: fetch(url, { method: "POST", keepalive: true, headers: { "Content-Type": "application/json" } }); sendBeacon does not behave the way documentation claims it does. js: Unload Event Not Working on Page Close, Tab Closure, or Form Submission. " I don't have enough experience to argue for or against this If you wish only for your unload event to occur I'd stick to plain ol' JavaScript for it. Alternative : You can also remove it inside the anonymous function call using arguments. ; 2. Example: React. Now if you want a child to unmount itself, you can simulate this with a state change in the parent that is triggered by the child. Render a Prompt component. Deprecating the `unload` event developer. That's consistent with MDN: "If you're specifically trying to detect page unload events, the pagehide event is the best option They each are listening for the window scroll event. ifr. Also, I tried to use navigator. What’s worse, Opera never fires the onbeforeunload event. I have been trying to accomplish something like this Try pasting the on blur code into an effect. Improve this answer. ; eventData: A state variable to hold the data from the event. There was also a deprecation warning from Chrome: Deprecating the unload An alternative approach in order to get a similar result is to catch click events related to links (that would take you away from the current page) and ask for confirmation there. In my testing, it did not respect the MIME type of a Blob in the In this case, I think you are fine not removing any events because the event exists natively - each time your component mounts, it reassigns a handler to the already attached event. r/reactjs. You can simply handle the unload event on window. Is this the "React" way to do this by each component having its having to add an event listener to the window? Multiple scroll event listeners on the same window? Or is there a better way by adding the scroll event listener to the window once at the Home owner component? Learn how to effectively handle the click event outside or inside a component using custom hooks. It was suggsested if we need them in v6. addEventListener() to To identify a browser refresh event in React, we can leverage the beforeunload event. This is an old question, but you need to use fetch with the keepalive flag set to true in the beforeunload event: fetch(url, { method: "POST", keepalive: true, headers: { "Content-Type": "application/json" } }); sendBeacon does not behave the way documentation claims it does. useEffect(() => checkIfCustomerEmailIsValid(inputValue), []) What useEffect does is execute the function provided on the first render and every other render when a variable in the 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; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog The problem: The request isn't sent on unload event (when a user closes the page or navigates to another). And onclick I need to call a class function. addEventListener("beforeunload", ev => { ev. log(response) })() }) Do note however that the use of the unload event is discouraged. The reason you want to do this most of the time is because many languages compose characters with several keypresses. 2. Show vbModal, Form1 Form3. Follow That said, be aware that: Opera doesn’t fire the unload event when the browser refreshes the page, or uses the back/forward buttons to browse off of the page. focus(); }, // Whenever the dialog closes, we commit the choice close: choice. Lets say my pathname is "feed/123". ). proceed = true The beforeunload event fires whenever the user leaves your page for any reason. This must be an object implementing the EventListener interface, or a JavaScript function. Setup a callback to be fired on the window's beforeunload event. getElementById('button'); button. Alternatively you could have the first option with empty value and text like --choose--so it would force the user to make a choice even if there's just one option to choose from. Instead, we're explicitly getting the event object through either window. preventDefault() return (ev. Using ViteJS starter for React / SolidJS, How can I detect (using some sort of js callback) before HMR reload is triggered by code changes? (to do some cleanup) This audit was removed in Lighthouse v10. append('ajax_data', 22); navigator. This could mean one of many things. We are no longer accessing the deprecated window. on('unload', function() { var fd = new FormData(); fd. proceedAndSaveButtonText, click: function { // Indicate the choice is the proceed action choice. find('. back, router. target. The documentation says the component has a 'loaded' property which is 'read only' and 'returns true if the load event has fired since the last src change'. addEventListener('beforeunload',handleUnload ); return => { window. Add function onLeave for Route <Route path="/home" onEnter={ auth } onLeave={ showConfirm } component={ Home } > Use function setRouteLeaveHook for componentDidMount; You can prevent a transition from happening or prompt the user before leaving a route with a leave hook. route, this. 3809. Don't forget to return true from the event listener in background page, since chrome. 2) and I am trying to fire the beforeunload event, when the user is navigating from the Edit form view. So, as you have already found out, the way to use setTimeout or setInterval with hooks is to wrap them in You might need to call preventDefault, and I think the event is called beforeunload, try: window. ; skipRerender: A ref used to control whether the component should re-render when an event is received. Check this post Documentation for React Router API Reference. I was looking the way to create in ReactJs similar output events like Angular. com) for additional React discussion and help. "pagehide" is a messy API written specifically for IOS safari. onload = => { //whatever action }; } but I can't do what I want with the unload event, because the iframe is not unloaded, it just calls window. WC3 Sensors in React Web. title, width: this. It only fails on IOS devices where they recommend "pagehide I tried the code on Chrome, FireFox and Safari. One alternative is to use the unload event, which is fired just before the page is unloaded. The point I am trying to make is that doing all of this work I am trying to open a popup while a user closes a tab in react using this code: useEffect(() => { window. focus() on the next select element after its options have been updated. addEventListener("unload", function (e) { console. "Child" forms are shown with explcit owner form like this: '--- using global references Form2. For example, it will be fired if the user submits a form, clicks a link, closes the window (or tab), or goes to a new page using the address bar, search box, or a bookmark. before unload is not working as expected. If there's only one option, proceed to update the next element. React is intended to have an unmount happen from a parent to child relationship. For languages like Russian, with the altgr dead key, this becomes especially important. js, the window. Related. React window unload event doesn't fire. value, but you have already explicitly set the value using useState, so use inputValue:. componentWillMount() { this. Unfortunately the onload event waits for all binary content (e. I would like to create onclick event and pass the params value to the function and make an api call from there. log('going away', e) }) Lastly, in case of page load you can use lifecycle hooks. Notice that the event handler function now takes the event parameter and accesses it. Listen for it like this: Whereas traditional frameworks like React and Vue do the bulk of their work in the browser, Svelte shifts that work into a compile step that happens when 4. This event is triggered when the user attempts to leave or refresh the page. I also added some event for zoom changing. Great answer, just one tangential comment about alternatives for detecting a reload: I have had problems in Safari iOS where the beforeunload event doesn't get called on reload, and I've had to use pagehide instead. Learn how to create custom hooks to listen for events in React. That is why the last example is a HOC, returning function immediately. If you put it in your index. org/licenses/GPL-2. $(window). How can I detect those two events (page refresh and navigating to another page in the same website) using javascript/jQuery please? The onunload event occurs once a page has unloaded (or the browser window has been closed). I would like to detect when the user leaves the page Next JS. event or arguments[0], which is a more modern and supported approach. ukqjuagm esrixk pnjkas mpmal ilvkn jlg tsb annn qsmf ldsydpq