Problems with js data structure conversion (horizontal conversion to parent-child nodes)

problem description 

        var datas = [{
                "indexName1st": "", //
                "indexName2th": "", //
                "indexName3rd": "",
            }, //
            {
                "indexName1st": "", //
                "indexName2th": "", //
                "indexName3rd": "",
            }, //
            {
                "indexName1st": "", //
                "indexName2th": "", //
                "indexName3rd": "",
            }, //
            {
                "indexName1st": "", //
                "indexName2th": "", //
                "indexName3rd": "",
            }, //
            {
                "indexName1st": "", //  
                "indexName2th": "", //
                "indexName3rd": "",
            }, //
        ]

the environmental background of the problems and what methods you have tried

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

Data-structure javascript
Apr.20,2022

Dictionary Tree to learn that your problem is the reverse order of dictionary trees

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b34f7c-2bf51.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b34f7c-2bf51.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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