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This article mainly shows you "jQuery how to define a custom selector", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "jQuery how to define a custom selector" this article.

Define a custom selector $.expr [':']. Mycustomselector = function (element, index, meta, stack) {/ / element- is a DOM element// index-the current loop index in stack// meta-meta data about your selector// stack-stack of all elements to loop// Return true to include current element// Return false to explude current element}; / / Custom Selector usage:$ ('.someClasses: test') .doSomething () Jquery is what jquery is a simple and fast JavaScript library, it has a unique chain syntax and short and clear multi-function interface, efficient and flexible css selector, and can be extended to CSS selector, with convenient plug-in extension mechanism and rich plug-ins, after Prototype is another excellent JavaScript code base, can be used to simplify event processing, HTML document traversal, Ajax interaction and animation, in order to quickly develop the website.

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