In-depth explanation of js overwriting original methods and providing rewriting methods

If you make aneditor, which provides some cursor leaveevents, etc., it is best to use this method to operate, because When others use your editor, they may need to use the event methods provided by the editor to handle some things. Some of the events need to be rewritten according to special requirements. Therefore, when this happens, provide the event method that allows the rewriting of the events provided by the editor. Method is very necessary!

    
    注：覆盖myblur()后，再次光标选中输入框然后再离开  

Purpose: To improve the perfect calling method.

The above is the js I compiled for everyone to cover the original method and provide a rewriting method. I hope it will be helpful to everyone in the future.

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