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This article mainly introduces jQuery how to avoid global variables, 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.

Avoid global variables

JQuery is the same as javascript, generally speaking, it is best to make sure that your variables are within the scope of the function.

/ / Bad $element = $('# element'); h = $element.height (); $element.css ('height',h-20); / / recommended var $element = $(' # element'); var h = $element.height (); $element.css ('height',h-20) Thank you for reading this article carefully. I hope the article "how to avoid global variables in jQuery" shared by the editor will be helpful to you. At the same time, I also hope you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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