![]() It was published 26 Apr, 2020 (and was last revised 26 Jan, 2022). This would put the sticky element at the start and won't stretch it. You could simply set the value of the align-self property to align-self: flex-start. How to Make Sticky Element Scrollable Within a Flexbox: In this case, the sticky element would stretch to the height of the parent, and would not have any area to scroll within. If the Sticky Element Has align-self: stretch Set: This would leave no room for the sticky element to scroll within the parent. So, if the parent has align-items: normal (which is the default) or align-items: stretch set, then it means the height of the sticky element would stretch to fill the entire available space. In this case the value of align-self would compute to the parent's align-items value. If the Sticky Element Has align-self: auto Set: The sticky element has align-self: stretch set.The sticky element has align-self: auto set (which is the default).If sticky element's parent is a flexbox, there are two scenarios to check for: This happens because the sticky element is meant to stick/scroll within the height of a container.Ĭhecking if a Parent Element Is a Flexbox If the parent element has no height set then the sticky element won't have any area to stick to when scrolling. How to Make position: sticky Work With the overflow Property?īy specifying a height on the overflowing container, you should be able to make position: sticky work whilst having the container element have the overflow property set.Ĭhecking if height Property Is Not Set on Parent Let parent = document.querySelector('.sticky').parentElement Ĭonst hasOverflow = getComputedStyle(parent).overflow Simply copy/paste the following snippet in your browser's web developer console to identify all parent elements with overflow property set to something other than visible: Snippet to Check for Parents With overflow Property Set: If any parent/ancestor of the sticky element has any of the following overflow properties set, position: sticky won't work ( unless you specify a height on the overflowing container): Make sure you add a vendor prefix for the property value to support versions of Safari below 13, for example, like so:Ĭhecking if an Ancestor Element Has overflow Property Set This threshold value that you set, would make the sticky element act as fixed positioned when it crosses the specified threshold, and a relatively positioned element otherwise. Checking if a Parent Element Is a Flexbox.īefore you check for other issues, it might be a good idea to ensure that you're using a browser that supports position: sticky.Ĭhecking if a Threshold Has Been SpecifiedĪ sticky element requires a threshold to be specified, which means that you must set a value other than " auto" for at least one of the following properties:.Checking if height Property Is Not Set on Parent.Checking if an Ancestor Element Has overflow Property Set.Checking if a Threshold Has Been Specified.You can check the following list of things to fix some common / potential issues with using it: ![]() There could be a number of reasons why the CSS position: sticky property might not be working for you.
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