請在index.html檔案中，編寫arraysSimilar函式，實現判斷傳入的兩個陣列是否相似。具體需求：

1. 陣列中的成員型別相同，順序可以不同。例如[1, true] 與 [false, 2]是相似的。

2. 陣列的長度一致。

3. 型別的判斷範圍，需要區分:String, Boolean, Number, undefined, null, 函式，日期, window.

 /*
 * param1 Array 
 * param2 Array
 * return true or false
 */
function arraysSimilar(arr1,
 
 arr2){
    // 首先判定是否陣列
    if(!(arr1 instanceof Array && arr2 instanceof Array)) return false;
    // 判斷長度是否一致
    if(arr1.length != arr2.length) return false;
    else if(arr1.length == arr2.length && arr1.length == 0) return true;
    
    var arr1Types = getTypes(arr1);
    var arr2Types =
 
 getTypes(arr2);
    var arr1TypesCount = Object.keys(arr1Types).length;
    var arr2TypesCount = Object.keys(arr2Types).length;
    // 判斷型別個數是否一致
    if(arr1TypesCount!=arr2TypesCount) return false;
    for(var item in arr1Types){
        if(!arr2Types[item]) return false;
    }
    return true;
}

function
 
 getTypes(arr){
    var types = {};
    for(var a1 of arr){
        if(typeof(a1)!="object"){
            types[typeof(a1)] = typeof(a1);
        }else{
            // 如果是object
            var temp = Object.prototype.toString.apply(a1);
            switch(temp){
                case "[object Array]":
                    temp = "array";
                    break;
                case "[object Function]":
                    temp = "function";
                    break;
                case "[object Date]":
                    temp = "date";
                    break;
                case "[object Window]":
                    temp = "window";
                    break;
                case "[object Undefined]":
                    temp = "undefined";
                    break;
                case "[object Null]":
                    temp = "null";
                    break;
                case "[object Object]":
                    // 考慮僅為object的情況
                    temp = "object";
                    break;
            }
            types[temp] = temp;
        }
    }
    return types;
}