摘要：獲取中傳參的值判斷變量的數據類型深度克隆對象或數組多個對象或數組嵌套節流函數生成隨機字符串判斷對象是否為空判斷是否有該改增加生成隨機整數打亂數組順序，洗牌算法深拷貝數組判斷是否為純粹的對象，由或者創建的不是掛在原型上的沒有原型對象的對象通

function getParam (name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
    var r=window.location.search.substr(1).replace(new RegExp(/(amp;)/g),"").match(reg);
    if (r != null) {
        return r[2];
    }
    return null;
};

function typeOf(obj) {
    const toString = Object.prototype.toString;
    const map = {
    "[object Boolean]"  : "boolean",
    "[object Number]"   : "number",
    "[object String]"   : "string",
    "[object Function]" : "function",
    "[object Array]"    : "array",
    "[object Date]"     : "date",
    "[object RegExp]"   : "regExp",
    "[object Undefined]": "undefined",
    "[object Null]"     : "null",
    "[object Object]"   : "object"
    };
    return map[toString.call(obj)];
},

      deepCopy(data) {
        const t = this.typeOf(data);
        let o;

        if (t === "array") {
          o = [];
        } else if ( t === "object") {
          o = {};
        } else {
          return data;
        }

        if (t === "array") {
          for (let i = 0; i < data.length; i++) {
            o.push(this.deepCopy(data[i]));
          }
        } else if ( t === "object") {
          for (let i in data) {
            o[i] = this.deepCopy(data[i]);
          }
        }
        return o;
      },

debounce(func, delay) {

    let timer;

    return function (...args) {
        if (timer) {
            clearTimeout(timer);
        }

    timer = window.setTimeout(() => {
        func.apply(this, args);
    }, delay);
    }

},

function randomStr (len) {
  len = len || 32;
  var chars = "ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678";
  var maxPos = chars.length;
  var pwd = "";
  for (let i = 0; i < len; i++) {
    pwd += chars.charAt(Math.floor(Math.random() * maxPos));
  }
  return pwd;
};

function isEmptyObject (obj) {
    var name;
    for (name in obj) {
        return false;
    }

    return true;
},

export function hasClass(el, className){
    let reg = new RegExp("(^|S)"+className+"(s|$)");
    return reg.test(el.className);
}

export function addClass(el, className){

    if(hasClass(el, className)){
        return;
    }

    let newClass=el.className.split(" ");
    newClass.push(className);
    el.className=newClass.join(" ");
}

function getRandomInt(min, max) {

    return Math.floor(Math.random() * (max - min + 1) + min);

}

function shuffle(arr) {

    let _arr = arr.slice();        //深拷貝數組
    for (let i = 0; i<_arr.length; i++) {
        let j = getRandomInt(0, i);
        let t = _arr[i];
        _arr[i] = _arr[j];
        _arr[j] = t;
    }

    return _arr;

}

    function isPlainObject ( obj ) {
        var proto, Ctor;
        var toString = Object.prototype.toString;
        var getProto = Object.getPrototypeOf;  // 不是掛在原型上的
        var hasOwn = Object.prototype.hasOwnProperty;
        var fnToString = hasOwn.toString;
        var ObjectFunctionString = fnToString.call(Object);
        
        if ( !obj || toString.call( obj ) !== "[object Object]" ) {
            return false;
        }

        proto = getProto( obj );
        
        // 沒有原型對象的對象 (`Object.create( null )`)
        if ( !proto ) {
            return true;
        }
        
        // 通過 new Object 出來的對象
        Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
        return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
    }

var times = 0; // 記錄點擊次數
var timer;
const CLICK_TIME = 5；  // 比如連續點擊5此就觸發
document.body.onclick = function () {
    if (timer) {
        clearTimeout(timer);
        timer = null;
    }
    if (times >= CLICK_TIME) {
        // do something
    }
    times++;
   timer = setTimeout(function () {
        times = 0;
   }, 200)
}

const REWARD_TICKET = 100
function getRandomArray(count) {
  let arr = [];
  let remainTicket = 0;
  for (let i = 1; i < count; i++) {
    if (i === 1) {
      remainTicket = REWARD_TICKET;
    } else {
      remainTicket = REWARD_TICKET - arr.reduce((prev, curr) => {
        return prev + curr;
      });
    }
    if (remainTicket < 11) {
      arr.push(remainTicket);
      break;
    }
    const randomNumber = parseInt(Math.random() * remainTicket, 10);
    arr.push(randomNumber > 10 ? randomNumber : 10);
  }

  // make sure every number >= 10
  if (arr[arr.length - 1] < 10) {
    const cut = arr.splice(arr.length - 2, 2);
    arr.push(cut[0] + cut[1]);
  }
  return arr;
}