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The main content of this article is to explain "how to load data from the background asynchronously in the browser window." interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to load data from the background asynchronously in a browser window."

The copy code is as follows:

Scroll to load database data

$(document) .ready (function () {

Var range = 50; / / length from the lower boundary / unit px

Var elemt = 500; / / insert element height / unit px

Var maxnum = 20; / / set the maximum number of loads

Var num = 1

Var totalheight = 0

Var main = $("# content"); / / body element

$(window) .subscription (function () {

Var srollPos = $(window) .scrollTop (); / / the distance from the top of the scroll bar (the height of the page beyond the window)

Totalheight = parseFloat ($(window) .height ()) + parseFloat (srollPos)

If (($(document). Height ()-range)

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