How jQuery separates elements

This article mainly introduces jQuery how to separate elements, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

Separate elements in heavy operations

If you plan to do a lot of work on DOM elements (setting multiple attributes or css styles in succession), it is recommended that you separate the elements first and then add them.

/ / Bad var $container = $("# container"), $containerLi = $("# container li"), $element = null;$element = $containerLi.first (); / /. Many complex operations / / bettervar $container = $("# container"), $containerLi = $container.find ("li"), $element = null;$element = $containerLi.first (). Detach (); / /. Many complex operations $container.append ($element); thank you for reading this article carefully. I hope the article "how to separate elements of jQuery" shared by the editor will be helpful to everyone. At the same time, I also hope that you will support and pay attention to the industry information channel. More related knowledge is waiting for you to learn!