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JS converts tree structure data into one-dimensional array data

2022-04-23 08:15:00 【suoh's Blog】

        //  Convert tree data to one-dimensional array 
        getOneArr(arr) {
            let data = JSON.parse(JSON.stringify(arr))
            let newData = []
            const callback = (item) => {
                (item.children || (item.children = [])).map(v => {
                    callback(v)
                })
                delete item.children
                newData.push(item)
            }
            data.map(v => callback(v))
            return newData
        },

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https://yzsam.com/2022/04/202204230700098642.html