List virtualization, or windowing, is a technique for improving the performance of rendering long lists by only writing the visible portion of the list to the DOM.
React-window and react-virtualized are two good examples of libraries that calculate which items need to be added to the DOM at each moment, which is a process called list virtualization, also known as windowing. They work with the premise that items in a list that are not currently being shown to the user don’t need to exist in the DOM just yet. The libraries we’ll discuss in this article help manipulate the DOM in a more effective way when rendering an extensive list of items. React itself aims to decrease the number of times we directly interact with the DOM. If there is one thing known for being expensive when it comes to developing web pages, it’s manipulating the DOM.
#Fixed window with grids how to
Check out “ How to virtualize large lists using react-window” for more information. react-windowĮditor’s note: This article was last updated on 9 June 2023 to provide more context about the react-window components, such as AutoSizer, CellMeasurer, and InfiniteLoader. Using position: fixed you can put content on top of the entire viewportĬombining the two as follows … ul.Rico Kahler Follow I’m a React engineer at At Sift, I’m responsible for taking the team’s ideas and designs and turning them into experiences.Using the :active pseudo-selector you can know which element is currently being pressed.
Still using only CSS it’s possible to show an overlay while pressing+holding a tile.
#Fixed window with grids full
Where I had originally stopped working on the gallery after that, today I wondered if I could adjust it a bit further and give it the ability to show the images at full screen, in some sort of Lightbox. ~ Going further: Zoom / Lightbox functionality Note that in those cases the order of the images will differ from their source order. To workaround potential gaps, one can always use grid-auto-flow: dense, or use the (still under development) Grid Masonry from the Grid Level 2 spec. high classes onto carefully selected tiles, leaving no gaps in my grid. 😋 I know, I cheated a bit as I added the. Simple Gallery (display: grid + object-fit: cover ) V1 by Bramus ( CodePen.
Tweaking it a bit more – by adding some CSS Variables into the mix – I eventually landed on this: Using photos from the birth of my son Noah I knocked up a small small proof of concept in about 10 minutes. Note that you will visually lose some data, as the edges will get clipped, but that was not a concern to Proof Of Concept Using object-fit: cover this can be prevented. As I stretch out each image inside a tile, the images can get deformed.I decided to create a grid of square cells/tiles. Using display: grid you create a grid layout.Using only those those two props it’s really easy to create a grid based gallery. While some suggested existing solutions such as React Photo Gallery or photo-stream, I focussed on only the layout-question and suggested a DIY solution using display: grid and object-fit: cover. On the Full Stack Belgium Slack channel, user recently asked how to create a simple image gallery.Īnyone have a favorite way of making an image grid with CSS? I’d like one of those “fancy” ones where no matter the aspect ratio of the image, they all have the same gap between them.
0 kommentar(er)
