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2025-09-25 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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The main content of this article is to explain "what is lazyload js". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn what lazyload js is.
Lazyload.js is used for delayed loading of long-page images, and pictures outside the viewport are loaded when the window scrolls to its position, as opposed to preloading.
Advantages of lazyload.js:
It can improve the page loading speed.
In some cases it can also help reduce server load.
Lazyload.js installation:
Bower installation:
Bowerinstalljquery.lazyload
Npm installation:
Npminstalljquery-lazyload
Lazyload.js uses:
Lazyload depends on jquery. So introduce jquery and lazyload first.
1. Write the picture path to the data-original property
two。 Add a class named lazy to lazyload's image
3. Select all the pictures you want to lazyload (img.lazy), and execute lazyload ()
$(function () {)
("img.lazy") .lazyload ()
})
How does lazyload.js refer to:
LazyLoad depends on jQuery. So you need to reference 2 js
Note: make sure that the jquery.js is loaded first and then the jquery.lazyload.js. The order here is not just the order.
If defer= "defer" is used in jquery.js or asynchronous async,jquery.lazyload.js should be added accordingly, otherwise it will cause jquery.lazyload.js to load the error first.
At this point, I believe you have a deeper understanding of "what lazyload js is", might as well come to the actual operation of it! Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!
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