Перестановка в обратном порядке элементов массив между min и max значениями

//по возрастанию
var a=[1, 2, -3, 7, 6, 5, 4, 8, 2];
a.sort(function(a,b){return a-b;});
alert(a.join()); //-3,1,2,2,4,5,6,7,8
//по убыванию
a.sort(function(a,b){return a-b;});
alert(a.reverse().join()); //8,7,6,5,4,2,2,1,-3

var arr = [1, 2, -3, 4, 5, 6, 7, 8, 2];
var a = arr.slice(0, arr.indexOf(Math.min.apply(null, arr))+1);
var b = arr.slice(arr.indexOf(Math.min.apply(null, arr))+1, arr.indexOf(Math.max.apply(null, arr)));
var c = arr.slice(arr.indexOf(Math.max.apply(null, arr)));
var newArr = [];
console.log(newArr.concat(a,b.reverse(),c)); //1, 2, -3, 7, 6, 5, 4, 8, 2

function arrayReSort(array){
    var min = null, max = null, minI, maxI, elem, i;
    for (i = 0, len = arr.length; i < len; ++i)
    {
        elem = arr[i];
        if (min === null || min > elem) min = elem, minI = i;
        if (max === null || max < elem) max = elem, maxI = i;
    }
    minI > maxI && (minI = [maxI, maxI = minI][0]); //reverse
    return [].concat(array.slice(0, minI + 1), array.slice(minI+1, maxI).reverse(), array.slice(maxI, i))
}
var arr = [1, 2, -3, 4, 5, 6, 7, 8, 2];
console.log(arrayReSort(arr));  //1, 2, -3, 7, 6, 5, 4, 8, 2
var arr2 = [1, 2, 8, 4, 5, 6, 7, -3, 2];
console.log(arrayReSort(arr));  //1, 2, -3, 7, 6, 5, 4, 8, 2

function sortRange(a) {
    var range = [
        a.indexOf(Math.max.apply(null, a)),
        a.indexOf(Math.min.apply(null, a))
    ].sort();
    return [].concat(
        a.slice(0, range[0] + 1),
        a.slice(range[0] + 1, range[1]).reverse(),
        a.slice(range[1])
    );
}
var arr = [1, 2, -3, 4, 5, 6, 7, 8, 2];
console.log(sortRange(arr)); // [ 1, 2, -3, 7, 6, 5, 4, 8, 2 ]
 
var arr = [1, 2, 8, 4, 5, 6, 7, -3, 2];
console.log(sortRange(arr)); // [ 1, 2, 8, 7, 6, 5, 4, -3, 2 ]