![]() NW.Īn escape to “magical Croatia,” land of natural beauty, a thousand islands, medieval cities, opulent culture, and also Game of Thrones filming locations, by way of the Embassy of Croatia, 2343 Massachusetts Ave. ![]() Singular national attractions this year include:Ī display of high-tech transportation marvels from Czechia, including professional racing Praga karts, heavy-duty modern and antique Tatra trucks, and model streetcars - plus savory beer, hearty food, and live folk music, all at the Embassy of the Czech Republic, 3900 Spring of Freedom St. 2022 EU Open House in Washington, DC - Photo: Chris KleponisĪ tribute to the river Danube and two countries connected by the body of water, Austria and Slovakia, with presentations, performances, and delicacies on tap at the Embassy of Austria, 3524 International Ct. Virtual Scroll displays a virtual, "infinite" list.Supreme Court Unanimously Rules in Favor of Transgender ImmigrantĪ special BeNeLux celebration of food and drink, interactive games, light show, VR bike tours, and innovations ranging from a huge ship to “the first-ever zero-emission solar plane,” all derived from the Low Countries of Europe - Belgium, Luxembourg, and the Netherlands - with the Dutch Embassy at 4200 Linnean Ave. Is passed to the virtual scroll containing the data to create templatesįor. For performance reasons, not every record The template created for each record, referred to as a cell, canĬonsist of items, headers, and footers. In the list is rendered at once instead a small subset of records (enough to fill the viewport)Īre rendered and reused as the user scrolls. This guide will go over the recommended virtual scrolling packages for each framework integration as well as documentation for the deprecated ion-virtual-scroll component for Ionic Angular. We recommend using the framework-specific solutions listed below, but the ion-virtual-scroll documentation is available below for developers who are still using that component. Angular įor virtual scrolling options in Ionic Angular, please see Angular Virtual Scroll Guide. React įor virtual scrolling options in Ionic React, please see React Virtual Scroll Guide. Vue įor virtual scrolling options in Ionic Vue, please see Vue Virtual Scroll Guide. If the height of items in the virtual scroll are not close to theĭefault size of 40px, it is extremely important to provide a value for The following documentation applies to the ion-virtual-scroll component. Of each cell comes from the app's CSS, whereas this approximation The approximate width and height of each template is used to helpĭetermine how many cells should be created, and to help calculate An exact pixel-perfect size is not necessary,īut without an estimate the virtual scroll will not render correctly. It's also important to know that Ionic's default item sizes have Is only used to help calculate initial dimensions. In order to better control images, Ionic provides HTTP requests, image decoding, and image rendering can cause jank while Slightly different heights between platforms, which is perfectly fine. Quickly, knows when and when not to make requests, when and To manage HTTP requests and image rendering. Simply put, to ensure rendering bugs are not introduced, It's also important for app developers to ensure image sizes are locked in,Īnd after images have fully loaded they do not change size and affect any When not to render images, and only loads the images that are viewableĪfter scrolling. ![]() ![]() We recommend using the component over the native It's vital that elements within a virtual item does not dynamically change.įor virtual scrolling, the natural effects of the are not desirableįeatures. element because when an element is added to the DOM, it Immediately makes a HTTP request for the image file. ![]() Is governed by the containing ion-content and does not render Renders whenever it wants which could be while the user is scrolling. ![]()
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