How to use the each () method in jQuery

This article mainly introduces the relevant knowledge of "how to use the each () method in jQuery". The editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "how to use the each () method in jQuery" can help you solve the problem.

There are implicit iterations in jquery, so we don't need to manipulate some elements again. But if different elements are involved and have different operations, you need to do each traversal. This paper uses 10 cases of li setting different transparency to illustrate the each method.

Syntax:

$(element) .each (function (index,element) {})

Parameter index: represents the element index, which in this case is 0-9

Parameter element: represents the object, in this case each li

Case effect:

The code is as follows

Li {width: 100px; height: 100px; background-color: green; list-style: none; float: left; margin-left: 10px } $(function () {/ / page load, change the transparency of each li $("li") .each (function (index,element) {/ / the first parameter is the index, the second parameter is the object $(element) .css ("opacity", (index+1) / 10);})}) 1 2 3 4 5 6 7 7 8 9 10 this is the end of the introduction to "how to use the each () method in jQuery". Thank you for your reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.