What is placeholder data? Placeholder data allows a query to behave as if it already has data, similar to the initialData option, but the data is not persisted to the cache.

Feb 16, 2022 · We can use useQuery to fetch data from the network and cache it. In this article, we will see how useQuery can ease our job in polling and refetching APIs conditionally with a …

Apr 21, 2023 · Whether you need to poll an API at a regular interval, fetch data in the background, or transform the data before it’s returned to the component, options like refetchInterval, …

Jul 9, 2025 · Placeholder data allows a query to behave as if it already has data, similar to the initialData option, but the data is not persisted to the cache. This comes in handy for situations …

Jul 3, 2024 · We make use of Placeholder in forms, to show data related to the entity. For example let's say we have an EditUser page and form. We are using Placeholder as an …

Jun 18, 2025 · This means the query is in a hard loading state, with no placeholder data, on initial mount. Then, when the queryKey changes, it goes into a 'soft' loading state: placeholder data …

Jul 31, 2024 · In this tutorial, we'll develop a secure poll and voting system using PHP and MySQL. This system will allow you to interact with your audience and display a collection of …

What is placeholder data? Placeholder data allows a query to behave as if it already has data, similar to the initialData option, but the data is not persisted to the cache.

Polling provides near-real-time synchronization with your server by executing your query periodically at a specified interval. To enable polling for a query, pass a pollInterval …

If set, this value will be used as the placeholder data for this particular query observer while the query is still in the loading data and no initialData has been provided.