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Lazy loading (also known as asynchronous loading) is a technique used in computer programming, especially web design and web development, to defer initialization of an object until it is needed. It can contribute to efficiency in the program's operation if properly and appropriately used.
This speeds up both the loading and rendering of web pages. Prefetching was first introduced in HTML5. Prefetching is accomplished through hints in web pages. These hints are used by the browser to prefetch links. Resources which can be prefetched include: JavaScript, CSS, image, audio, video, and web fonts.
Other metrics including Request Count (number of requests required to load a page), [13] DOMContentLoaded (time when HTML document is completely loaded and parsed excluding CSS style sheets, images, etc.), [14] Above The Fold Time (content that is visible without scrolling), [15] Round Trip Time, [15] number of Render Blocking Resources (such ...
The lazy initialization technique allows us to do this in just O(m) operations, rather than spending O(m+n) operations to first initialize all array cells. The technique is simply to allocate a table V storing the pairs ( k i , v i ) in some arbitrary order, and to write for each i in the cell T [ k i ] the position in V where key k i is stored ...
In computer operating systems, demand paging (as opposed to anticipatory paging) is a method of virtual memory management. In a system that uses demand paging, the operating system copies a disk page into physical memory only when an attempt is made to access it and that page is not already in memory (i.e., if a page fault occurs).
The Food and Drug Administration announced it was overhauling its berry safety strategy. Here's what to know, plus which are most likely to be contaminated.
Whoopi Goldberg and “The View” co-hosts came to Travis Kelce’s defense ahead of Super Bowl LIX, where the Kansas City Chiefs tight end will be facing off against the Philadelphia Eagles.
JavaScript is an event-based imperative programming language (as opposed to HTML's declarative language model) that is used to transform a static HTML page into a dynamic interface. JavaScript code can use the Document Object Model (DOM), provided by the HTML standard, to manipulate a web page in response to events, like user input.