js script to implement data deduplication_javascript skills

The project requirements are as shown in the figure:

Code:

Copy code The code is as follows:

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Original data

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     

Data deduplication

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   

Isn’t it very simple? Friends who have the same needs can refer to it for themselves. What is given here is just a simple example. To use it in the project, you need to add some materials by yourself.