hash host hostname href origin pathname port protocol search assign() reload() replace() · DOM Navigator Example. Set a background image for a document: The backgroundImage property sets or returns the background image of an element.
Example. Return the background image of a specific div> element.
As effective as the previous method happens to be, I generally find it to be too tedious and time-consuming to actually implement. Here is a list of popular libraries and platform specific plugins that will allow you to implement lazy loading with minimal effort:.
So, what are you waiting for? At the beginning of this article, I link to my initial post using the CSS-only methodand also the follow-up article, wherein I attempt to improve the original technique. But usually the returned value is not used, we just run the method.
All insertion methods automatically remove the node from the old place.
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|Google Image search does not index and rank images from CSS background code!
The call to document. A timeout of ms is also set to prevent the script from hanging and causing issues with normal page functionality. Since environments and implementation details can vary across browsers and devices, you might want to consider a tried and tested library for lazy loading rather than spinning something up from scratch.
Before we dive right in, here is a sample video that demonstrates the concept.
background-image: url(' _png'). }.
2. div id="random" >div>. 4. reload simulation.
When we discussed different methods to trigger image loads, we checked for the point of time where the image enters the viewport, i.
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Since combining performance and user experience with lazy loading is important and challenging, we will continue to address this topic in more detail throughout this guide after we have looked at different ways to lazy load images. As mentioned in the original article, this method is inferior to the Ajax method in cases where the preloaded file contents should not be applied to the loading page.
It makes it simple to detect when an element enters the viewport and take an action when it does. Miller Medeiros — December 28, pm.