1/31/2024 0 Comments Stop overflow scrollingHowever, because of scroll chaining, theĭocument starts scrolling as soon as the user hits the last message in the chatįor this app, it's more appropriate to have scrolls that originate within theĬhatbox stay within the chat. Intention is that the chatbox is a self-contained component and that it scrolls Prevent scrolls from escaping a fixed position element The chatbox scenario Content beneath the chat window scrolls too :(Ĭonsider a fixed positioned chatbox that sits at the bottom of the page. Let's dive into some examples to see how to use overscroll-behavior. Note: overscroll-behavior also supports shorthands for overscroll-behavior-xĪnd overscroll-behavior-y if you only want to define behaviors for a certain Android overscroll glow or iOS rubberbanding). none - same as contain but it also prevents overscroll effects within.Overscroll-behavior: contain on the html element prevents overscroll For example, the overscroll glowĮffect on Android or the rubberbanding effect on iOS which notifies the user Scrolls do not propagate to ancestorsīut local effects within the node are shown. Scrolls that originate on the element may propagate to The property takes three possible values: Page performance like the hacks mentioned in the intro! The best part is that using overscroll-behavior does not adversely affect Implements overscroll-behavior), and more. Pull-to-refresh action, disable rubberbanding effects on iOS (when Safari You can use it to cancel scroll chaining, disable/customize the The behavior of what happens when you over-scroll a container (including the The overscroll-behavior property is a new CSS feature that controls We can do better! Introducing overscroll-behavior Touch listeners (which block scrolling), or stick the entire page in a 100vw/vh Developers end up writing unnecessary JavaScript, add The unfortunate part is that this type of customization has been There'sĪlso the potential to see a double refresh animation! Alternatively, it mightīe nicer to customize the browser's action, aligning it more closely to the site'sīranding. Why? In thisĪpp, you probably don't want the user accidentally refreshing the page. It might make sense to disable the native pull-to-refresh action. Swiping down at the top of the page refreshes the entire page:Ĭhrome Android's native pull-to-refresh action In fact, this particular UX hasīecome so popular that mobile browsers like Chrome on Android have adopted Space for more recent posts to be loaded. Pulling down on a social feed and releasing creates new Pull-to-refresh is an intuitive gesture popularized by mobile apps such asįacebook and Twitter. Provide a different user experience when the user hits a scroll boundary. Sometimes it's not desirable or even unexpected. Oftentimes the default is pretty nice, but Turns out this behavior is called scroll chaining the browser's defaultīehavior when scrolling content. Taken over by the parent container the main page itself in the example. The content behind the drawer starts scrolling! Scrolling is But notice what happens if the user continues to Overflow container stops scrolling because there's no more content to consume. Items that the user may have to scroll through. As an example, take an app drawer with a large number of Scrolling is one of the most fundamental ways to interact with a page, butĬertain UX patterns can be tricky to deal with because of the browser's quirkyĭefault behaviors. Background Scroll boundaries and scroll chaining Scroll chaining on Chrome Android. Caution: overscroll-behavior requires Chrome 63+. Use cases include disabling the pull-to-refreshįeature on mobile, removing overscroll glow and rubberbanding effects,Īnd preventing page content from scrolling when it's beneath a modal/overlay. The CSS overscroll-behavior property allows developers to override theīrowser's default overflow scroll behavior when reaching the top/bottom ofĬontent.
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