$. Extend () usage instance _ jQuery in jquery

This article mainly introduces $ in jQuery. extend () usage. The example analyzes the functions, definitions, and related usage skills of the extend () method. if you need it, refer to the example in this article to describe $ in jQuery. extend () usage. Share it with you for your reference. The specific analysis is as follows:

$. Extend () method is defined as follows:

JQuery. extend ([deep], target, object1, [objectN])

Use one or more other objects to expand an object and return the extended object.
If no target is specified, the jQuery namespace itself is extended. This helps the plug-in author add a new method for jQuery. If the first parameter is set to true, jQuery returns a deep copy to recursively copy any objects found. Otherwise, the copy will share the structure with the original object. Undefined attributes will not be copied, but attributes inherited from the object's prototype will be copied.

You can see the following code to know how to use it. please refer:

 ExtendFun