SOURCE

let temp = ['00:00-23:59']


// temp.forEach(e => {
//     let t = e.split('-')
//     if (startTime >= t[0] && endTime <= t[1]) {
//         let res = [t[0], startTime, endTime, t[1]]
//         console.log(res)
//         return res
//     }
// })

function checkTimeRank(arr, value) {
    let [startTime, endTime] = value
    let res
    arr.forEach((e, i) => {
        let t = e.split('-')
        if (startTime >= t[0] && endTime <= t[1]) {
            res = [`${t[0]}-${startTime}`, `${endTime}-${t[1]}`]
            arr.splice(i, 1, ...res)
            return false
        }
    })
}

checkTimeRank(temp, ['09:00', '18:00'])
checkTimeRank(temp, ['06:00', '08:00'])
checkTimeRank(temp, ['17:00', '22:00'])
console.log(temp)