Hey, if you're serious about learning React, I highly recommend the courses on educative.io - it's my favorite platform for learning to code. It works by manually updating the scrollTop position, so it's unaffected by the environment settings. If you're willing to put a little more effort, you can use a 3rd party library that allows you to tweak the settings to your liking. However, it doesn't offer much fine-grained control and depends on browser and OS settings. JavaScript API offers a simple way to scroll to an element via scrollIntoView method. To gain more control you may use a 3rd party scroll-into-view library, which will also give you additional options to fine-tune the scroll behavior. I've noticed, that if I uncheck the "Animate controls and elements in windows" box in my Windows Performance Options, the smooth scrolling stops working across all browsers. The "Animate controls and elements in windows" option This means smooth scrolling may not work with some browser or OS settings. Caveatīy using scrollIntoView (and also scrollTo) with behavior: smooth you're leaving it up to the browser to control the animation. To achieve complete support, you can use a ponyfill. The scrollIntoViewIfNeeded option is still experimental without good support on Firefox. One of the simple technique is to register a scroll event. Using scroll event listener to get scroll position. I have encountered this situation several times where I have to detect the current scroll position or move to a particular position in my page. There is an alternative method with the same options called scrollIntoViewIfNeeded. This is a simple article on implementing and detecting scrolls in react. You may not want it to do anything in that case. The scrollIntoView method will scroll even if the element is already visible on the screen. Here's what the result looks like: Scrolling to the newly added element in the list. Using flushSync to immediately scroll to bottom after a new item is added in state. ListRef.current?.lastElementChild?.scrollIntoView() □ Scroll to the last element in the list □ Will wait until the DOM is updated with the new state □ Will scroll smoothly to the top of the next sectionĮlement.scrollIntoView( from 'unique-names-generator' Ĭonst = useState() Here's how you might scroll to another section when clicking a button: import './style.css' Ĭonst element = document.getElementById('section-1') However, you first need to get the DOM element ref from useRef or select it from the DOM directly. The simplest way to scroll to an element in React is by calling the scrollIntoView function on the element. body) scrollTop position manually, or using the scrollTo method to match the DOM element's top position on the screen. You can select a DOM element and update the scrollable element's (e.g. Note this gets even worse when the useEffect is wrapped in a custom hook.Scrolling to an element in React can be done using plain JavaScript. Here is a sandbox with the fragile solution above. The linter doesn’t understand this implicit dependency on itemsFromServer and therefore if someone removes it later the linter will not complain and our code will be broken. They will have to understand that itemsFromServer is really how we decide whether to render the div that ref refers to! In a real-world scenario where we have much more code it will require quite a bit of effort to understand the non-obvious dependency of ref.current on itemsFromServer. To someone reading the code later, however, it won’t be obvious why the dependency on itemsFromServer is needed. Our code now works.Īs we just saw, the dependency on itemsFromServer is critical for our code to work. Since we added itemsFromServer to the list of the dependencies the hook will now re-run and correctly attach the scroll listener to the div on the page.
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