JSON to an array?

I encountered a difficult problem when I was new to javascript,. I tried without success for a long time. So come up and ask everyone for advice.
how can I convert the json of the following structure into a two-dimensional array?

Code:

 "piclist2": {
            "/upload/images/2018-4-17/a1.jpg": {
                "width": 1440,
                "height": 900
            },
            "/upload/images/2018-4-17/a2.jpg": {
                "width": 960,
                "height": 600
            },
            "/upload/images/2018-4-17/a3.jpg": {
                "width": 1920,
                "height": 1200
            },
            "/upload/images/2018-4-17/a4.jpg": {
                "width": 960,
                "height": 600
            }
        }

to

"piclist2":[
            ["upload/images/2018-4-17/a1.jpg"
             "width": 1440,"height": 900
           ],
            ["upload/images/2018-4-17/a2.jpg"
             "width": 1440,
             "height": 900
           ],
             ["upload/images/2018-4-17/a3.jpg"
             "width": 1440,
             "height": 900
           ],
             ["upload/images/2018-4-17/a4.jpg"
             "width": 1440,
             "height": 900
           ],
        ]

Thank you for your advice!

Mar.04,2021

this is not a valid array


Array objects are foolishly confused

this is not an array

clipboard.png


data format has not been seen before, whether this is an array or an json object


just save it with an object. The object of javascript is a data of map structure, and the array is a list structure, which is not written in your way.

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