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Write jQuery plug-in sharing
2021-08-22 05:30:27 【mb611f1a641bd18】
One 、 Class level （$.extend）
Class level you can understand as extension jquery class , The most obvious example is $.ajax(...), Equivalent to a static method .
When developing methods to extend it, use $.extend Method , namely jQuery.extend(object);
Two 、 Object level
Object level can be understood as object-based extension , Such as $("#table").changeColor(...); Here it is. changeColor Well , It's object-based expansion .
When developing methods to extend it, use $.fn.extend Method , namely jQuery.fn.extend(object);
3、 ... and 、 jQuery Plug in development process
1、 Define scope ： Define private scopes for plug-ins , External code cannot directly access the internal code of the plug-in , Code inside plug-ins does not pollute global variables 、
2、 by jQuery Extend a plug-in ： by jQuery Add a spread method to the instance of . The spread method can receive some parameters .
3、 Set the default value ： Set default values for extension methods , Generally, the default attribute object is defined as defaults. Use $.extend(defaults,options) Merge the default value with the passed in parameter
4、 Support jQuery Connection call for ： Loop returns each element to .
5、 Methods in plug-ins ： To visualize the structure of the code , Need to use function. Methods in plug-ins cannot be called by outsiders
author[mb611f1a641bd18],Please bring the original link to reprint, thank you.
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