摘要：獲取中傳參的值判斷變量的數(shù)據(jù)類型深度克隆對象或數(shù)組多個對象或數(shù)組嵌套節(jié)流函數(shù)生成隨機(jī)字符串判斷對象是否為空判斷是否有該改增加生成隨機(jī)整數(shù)打亂數(shù)組順序，洗牌算法深拷貝數(shù)組判斷是否為純粹的對象，由或者創(chuàng)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(shù)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(shù)
var timer;
const CLICK_TIME = 5；  // 比如連續(xù)點擊5此就觸發(fā)
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;
}