function getSearchParam(name) {
  var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)'); //在这里匹配的，name是变量
  var r = window.location.search.substr(1).match(reg);
  if (r != null) {
    return decodeURIComponent(r[2]);
  } else {
    return null;
  }
}

// 返回对象
function getUrlParams(url) {
  if (typeof url != 'string') {
    //若参数缺失或类型错误，返回
    return {};
  }
  var query = url.split('#')[0].split('?')[1];
  if (!query) {
    return {};
  }
  var params = {};
  var paramStrArr = query.split('&');
  for (var i = 0; i < paramStrArr.length; ++i) {
    var keyValArr = paramStrArr[i].split('=');
    var key = decodeURIComponent(keyValArr[0]);
    var val =
      keyValArr[1] == undefined ? true : decodeURIComponent(keyValArr[1]);
    if (key) {
      // 考虑 `?a=1&=3` 情况
      params[key] = val;
    }
  }

  return params;
}

// 返回对象
function queryParams() {
  var params = {};
  decodeURIComponent(location.search)
    .replace('?', '')
    .split('&')
    .forEach(function (paramStr) {
      var kv = paramStr.split('=');
      params[kv[0]] = kv[1];
    });
  return params;
}
// 返回对象-考虑参数带？的情况
function getUrlParams() {
  var params = {};
  decodeURIComponent(location.search)
    .substring(1)
    .split('&')
    .forEach(function (paramStr) {
      var kv = paramStr.split('=');
      params[kv[0]] = kv[1];
    });
  return params;
}

// 正则实现
const getURLParameters = (url) =>
  url
    .match(/([^?=&]+)(=([^&]*))/g)
    .reduce(
      (a, v) => (
        (a[v.slice(0, v.indexOf('='))] = v.slice(v.indexOf('=') + 1)), a
      ),
      {}
    );

function mergeParam(array) {
  var newJsonObj = {};
  for (var i = 0; i < array.length; i++) {
    var jsonObj = array[i];
    if (jsonObj instanceof Object) {
      for (var key in jsonObj) {
        newJsonObj[key] = jsonObj[key];
      }
    }
  }
  return newJsonObj;
}

getTop:function(elements ){
     var top = elements.offsetTop;
     var parent = elements.offsetParent;
     while( parent != null ){
       top += parent.offsetTop;
       parent = parent.offsetParent;
     };
     return top;
   }

showimg: function() {
    var preView = 200;
    if (this.flag) return;
    var position = this.getTop(this.setele) ;
    var h = document.body.scrollTop + window.screen.height;
    //主要就是下边这个判断：块元素到顶部<滚动距离+窗口高度+设定值（放在这里好理解） 和 后边这句其实就是内容至少要有一屏+设定值
    if (position - this.preView <= h && position + this.preView >= document.body.scrollTop) {
      this.flag = true;
      this.setsrc();
    }

var deviceType = (function () {
  return {
    mobile: !!u.match(/AppleWebKit.*Mobile.*/), //移动端
    ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios
    iPhone: u.indexOf('iPhone') > -1, //iphone
    iPad: u.indexOf('iPad') > -1, //ipad
    android: u.indexOf('Android') > -1, //android
  };
})();

// getCookies
function getCookies() {
  var cookies = {};
  var all = document.cookie;
  if (all === '') return cookies;
  var list = all.split('; ');
  for (var i = 0; i < list.length; i++) {
    var cookie = list[i];
    var p = cookie.indexOf('=');
    var name = cookie.substring(0, p);
    var value = cookie.substring(p + 1);
    value = decodeURIComponent(value);
    cookies[name] = value;
  }
  return cookies;
}

// getCookie
function getCookie(name) {
  var arr,
    reg = new RegExp('(^| )' + name + '=([^;]*)(;|$)');
  if ((arr = document.cookie.match(reg))) return unescape(arr[2]);
  else return null;
}

// setCookie
function setCookie(name, value) {
  var Days = 30;
  var exp = new Date();
  exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
  document.cookie =
    name + '=' + escape(value) + ';expires=' + exp.toGMTString();
}

// setCookie -针对zhuanzhaun
if (cookie != '') {
  var cookieArr = cookie.split(';');
  var dd = new Date();
  var uid = '';
  dd.setTime(dd.getTime() + 3600 * 24 * 1000);
  if (cookie.indexOf('PPU') > -1) {
    uid = cookie.split('PPU=')[1].split(';')[0].split('UID=')[1].split('&')[0];
    document.cookie =
      'uid=' + uid + ';domain=58.com; path=/; expires=' + dd.toGMTString();
  }
  cookieArr.map(function (item) {
    if (!!item) {
      document.cookie =
        item + ';domain=58.com; path=/; expires=' + dd.toGMTString();
    }
  });
}

// delCookie
function delCookie(name) {
  var exp = new Date();
  exp.setTime(exp.getTime() - 1);
  var cval = getCookie(name);
  if (cval != null)
    document.cookie = name + '=' + cval + ';expires=' + exp.toGMTString(); // 思路是设置过期时间
}

// 删除所有cookie
document.cookie.split(';').forEach(function (c) {
  document.cookie = c
    .replace(/^ +/, '')
    .replace(/=.*/, '=;expires=' + new Date().toUTCString() + ';path=/');
});

//清除所有cookie函数
function clearAllCookie() {
  var keys = document.cookie.match(/[^ =;]+(?=\=)/g);
  if (keys) {
    for (var i = keys.length; i--; )
      document.cookie = keys[i] + '=0;expires=' + new Date(0).toUTCString();
  }
}

import Cookies from 'js-cookie';
Cookies.remove('zz_uid');
Cookies.set('zz_uid', '39099770641173', { domain: '58.com', path: '/' });

document.cookie = `uid=52;domain=zhuanzhuan.com;path=/;expires=Sat, 19 May 2118 03:16:29 GMT`;
或者;
document.cookie =
  'rrtr=3133;domain=192.168.149.14;path=/;expires=' +
  new Date(Date.now() + 3600 * 24 * 1000 * 3).toGMTString();

var getParents = document.querySelectorAll('.frequentQ');
for (var i = 0; i < getParents.length; i++) {
  if (getParents[i].innerHTML.trim() == '快递费用') {
    // innerHTML.trim()这个挺重要的
    var that = getParents[i];
    that.addEventListener('click', function () {
      alert('调用成功');
    });
  }
}

if (!navigator.onLine) {
  // 假如无网络则执行
}

element.addEventListener(window, 'online', function () {
  alert('Online');
});
element.addEventListener(window, 'offline', function () {
  alert('Offline');
});

function clearNoNum(obj) {
  obj.value = obj.value.replace(/[^\d.]/g, ''); //清除“数字”和“.”以外的字符
  obj.value = obj.value.replace(/\.{2,}/g, '.'); //只保留第一个. 清除多余的
  obj.value = obj.value
    .replace('.', '$#$')
    .replace(/\./g, '')
    .replace('$#$', '.');
  obj.value = obj.value.replace(/^(\-)*(\d+)\.(\d\d).*$/, '$1$2.$3'); //只能输入两个小数
  if (obj.value.indexOf('.') < 0 && obj.value != '') {
    //以上已经过滤，此处控制的是如果没有小数点，首位不能为类似于 01、02的金额
    obj.value = parseFloat(obj.value);
  }
}

utf16toEntities = (str) => {
  var patt = /[\ud800-\udbff][\udc00-\udfff]/g; // 检测utf16字符正则
  str = str.replace(patt, function (char) {
    var H, L, code;
    if (char.length === 2) {
      H = char.charCodeAt(0); // 取出高位
      L = char.charCodeAt(1); // 取出低位
      code = (H - 0xd800) * 0x400 + 0x10000 + L - 0xdc00; // 转换算法
      return '&#' + code + ';';
    } else {
      return char;
    }
  });
  return str;
};

document.addEventListener('webkitvisibilitychange', onVisibilityChanged, false);

window.onpopstate = function (event) {
  alert(
    'location: ' + document.location + ', state: ' + JSON.stringify(event.state)
  );
};
//绑定事件处理函数.
history.pushState({ page: 1 }, 'title 1', '?page=1'); //添加并激活一个历史记录条目 http://example.com/example.html?page=1,条目索引为1
history.pushState({ page: 2 }, 'title 2', '?page=2'); //添加并激活一个历史记录条目 http://example.com/example.html?page=2,条目索引为2
history.replaceState({ page: 3 }, 'title 3', '?page=3'); //修改当前激活的历史记录条目 http://ex..?page=2 变为 http://ex..?page=3,条目索引为3
history.back(); // 弹出 "location: http://example.com/example.html?page=1, state: {"page":1}"
history.back(); // 弹出 "location: http://example.com/example.html, state: null
history.go(2); // 弹出 "location: http://example.com/example.html?page=3, state: {"page":3}

var div = document.createElement('div'),
  //是否支持触摸事件
  supportTouch = 'ontouchstart' in div,
  //是否支持方向转换事件
  supportOtc = 'onorientationchange' in window;

var element = document.createElement('div');
if (attr in element.style) {
  element.style[attr] = value;
  return element.style[attr] === value;
} else {
  return false;
}

function correctHashRoute() {
  let url = location.href,
    queryArr = [],
    queryStr = '',
    splitQuery = (str) => str.substring(1).split('&'),
    reg = /^(https?\:\/\/[\w\.\/]+)(\?[^#]+)?(#[^\?&]+)?(.+)?$/,
    res = reg.exec(url);

  if (!res || !res[3]) return;

  if (res[4]) queryArr = queryArr.concat(splitQuery(res[4]));
  if (res[2]) queryArr = queryArr.concat(splitQuery(res[2]));
  if (!queryArr.length) return;

  queryArr = [...new Set(queryArr)];
  queryStr = '?' + queryArr.join('&');
  location.hash = res[3] + queryStr;
}

/^1[34578]\d{9}/g.test(num);

'★★★★★☆☆☆☆☆'.slice(5 - rate, 10 - rate); //rate是变量

Math.random().toString(16).substring(2); // 13位
Math.random().toString(36).substring(2); // 11位

var test1 = '1234567890';
var format = test1.replace(/\B(?=(\d{3})+(?!\d))/g, ',');
console.log(format); // 1,234,567,890

'12334565632'.replace(/(\d)(?=(\d{3})+$)/g, '$1,');
//结果："12,334,565,632"

var a = {
  a: 1,
  b: { c: 1, d: 2 },
};
var b = JSON.parse(JSON.stringify(a));

[...new Set([1, '1', 2, 1, 1, 3])];

var a = b && 1;
var a = b || 1;

var resultStr = testStr.replace(/\ +/g, ''); //去掉空格
resultStr = testStr.replace(/[ ]/g, ''); //去掉空格
resultStr = testStr.replace(/[\r\n]/g, ''); //去掉回车换行

let date = new Date(parseInt(1503487641772)); //  必须用new Date 不能用Date.now()
this.dealTime = `${date.getFullYear()}-${
  date.getMonth() + 1
}-${date.getDate()} ${date.getHours()}:${date.getMinutes()}`;

decodeURIComponent(str.replace(/\+/g, '%20'));

Array(30).fill(4); // 30个4

a = a.substring(1, a.length - 1);

import jsonp from 'jsonp';

export const JSONP = (url, params) => {
  let paramArr = [];
  Object.keys(params).forEach(function (key) {
    paramArr.push(key + '=' + params[key]);
  });
  let toStringParam = JSON.stringify(paramArr.join('&'));
  let delQuote = toStringParam.substring(1, toStringParam.length - 1);
  // let toStringParam = encodeURIComponent(paramArr.join('&'));
  return new Promise((resolve, reject) => {
    jsonp(
      'https://zhuan.58.com/zz/transfer/' + url + '?' + delQuote,
      null,
      (err, res) => {
        if (err) {
          reject(Error(err));
        } else if (res) {
          resolve(res);
        }
      }
    );
  });
};

window.onbeforeunload = function () {
  var img = new Image();
  img.src = url; // url进行拼接字符
};

xmlHttpReq.open('GET', url, false); //第三个参数改成false，使用同步方法

// 当用户关闭页面时发送数据
if (OS_TYPE().isiOS) {
  window.onpagehide = () => {
    this.beforeUnloadFun();
  };
} else {
  window.onbeforeunload = () => {
    this.beforeUnloadFun();
  };
}
// 以上还是会有问题 -以下完美解决
document.addEventListener('visibilitychange', () => {
  if (document.visibilityState === 'hidden') {
    this.unLoadLego();
  }
});

String.prototype.len = function () {
  return this.replace(/[^\x00-\xff]/g, 'xx').length;
};

alert('文字abc'.len());

function chkstrlen(str) {
  var strlen = 0;
  for (var i = 0; i < str.length; i++) {
    if (str.charCodeAt(i) > 255)
      //如果是汉字，则字符串长度加2  正则[\u4e00-\u9fa5]
      strlen += 2;
    else strlen++;
  }
  return strlen;
}

dealChAndEn(str,max,endChar){
    let strlen = 0;
    let strResult;
    let realyLen = 0;
    for(var i = 0;i < str.length; i++) {
        if(str.charCodeAt(i) > 255){ //如果是汉字，则字符串长度加2
            strlen += 2;
        }else {
            strlen++;
        }
        if(strlen>=max){
            realyLen = i;
            strResult = str.substring(0,i+1);
            break;
        }
    }
    if(strlen<max){
        strResult = str
    }
    return {
        strResult: endChar ? strResult + endChar : strResult,
        realyLen: realyLen,
        strlen: strlen
    }
}

// break 直接跳出
for (var i = 1; i <= 10; i++) {
  if (i == 8) {
    break;
  }
  document.write(i); // 1234567
}

// continue 跳出本句之后继续迭代
for (var i = 1; i <= 10; i++) {
  if (i == 8) {
    continue;
  }
  document.write(i); // 1234567910
}

// return 必须在函数内，否则报错

var fs = require('fs');
var path = require('path');

var db = {};

module.exports = function () {
  var files = scanDir(path.join(__dirname, './data')); // 获取文件列表
  files.forEach((file) => {
    // 构建数据库
    db[path.basename(file).split('.')[0]] = require(file);
  });

  files.forEach((file) => {
    // 监听文件变化
    fs.watch(file, () => {
      delete require.cache[path.resolve(file)]; // 清除require中对应缓存，以获取文件最新内容
      try {
        db[path.basename(file).split('.')[0]] = require(file); // 更新数据库中对应数据
      } catch (e) {
        // 文件正在修改时可能存在语法错误，不能正常require，此时不予处理
      }
    });
  });

  return db;
};

/**
 * 遍历文件夹
 * @param dir
 * @returns {Array}
 */
function scanDir(dir) {
  var files = [];
  scan(dir);

  function scan(_dir) {
    if (fs.statSync(_dir).isFile() && _dir.indexOf('.DS_Store') < 0) {
      return files.push(_dir);
    }
    return (
      fs.statSync(_dir).isDirectory() &&
      fs.readdirSync(_dir).forEach((file) => {
        scan(_dir + '/' + file);
      })
    );
  }

  return files;
}

document.getElementById('span').onclick = function () {
  var objRectList = this.getClientRects(),
    length = objRectList.length;
  console.log(objRectList);
  var string = '有' + length + '个矩形\r\n';
  for (var i = 0; i < length; i += 1) {
    string +=
      '第' +
      (i + 1) +
      '个矩形： top:' +
      objRectList[i].top +
      ', right:' +
      objRectList[i].right +
      ', bottom:' +
      objRectList[i].bottom +
      ', left:' +
      objRectList[i].left +
      ', width:' +
      objRectList[i].width +
      ', height:' +
      objRectList[i].height +
      '\r\n';
  }
  alert(string);
};

$clamp(node, {
  clamp: 3,
  useNativeClamp: false,
  truncationChar: ' ',
  truncationHTML: '<span class="setColor">Read more.这里可以是连接</span>',
});

focusInput () {
    this.setIntervalScroll = setInterval(function () {
        document.body.scrollTop = document.body.scrollHeight;
    }, 200);
}

setTimeout(() => {
  window.scrollTo(0, 1000000);
  this.$refs.chatWrap.scrollTop = 999999;
}, 500);

document.querySelector('#result-area').scrollIntoView(true);

let IOS_V = (a) => {
  let v = navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/);
  if (v) {
    v = parseFloat(v[1] + '.' + v[2], 10);
    if (v - a > 0) {
      return 1; // 返回1为大于指定的版本
    } else if (v == a) {
      return 0; // 等于
    }
    return -1; // 小于
  }
};

function setCookie(name, value) {
  var Days = 30;
  var exp = new Date();
  exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
  document.cookie =
    name + '=' + escape(value) + ';expires=' + exp.toGMTString();
}
setCookie('id58', 'c5/nT1mv37MErFV/BBRRAg==');
setCookie('t', '15');
setCookie('tk', '1FC7096BB25439E8134C48641EE33734');
setCookie('v', '3.6.99');
setCookie('channelid', 'unknown');
setCookie('lat', '39.987035');
setCookie('lon', '116.504727');
setCookie('osv', '25');
setCookie('model', 'MI+5X');
setCookie('brand', 'xiaomi');

Vue.http.post(API.REPLAY_COMMENT, { params }, { credentials: true });

if (window.getSelection) {
  if (window.getSelection().empty) {
    // Chrome
    window.getSelection().empty();
  } else if (window.getSelection().removeAllRanges) {
    // Firefox
    window.getSelection().removeAllRanges();
  }
} else if (document.selection) {
  // IE?
  document.selection.empty();
}

if (event.keyCode == 101) {
  // 禁止输入e
  event.returnValue = false;
}

/*
 * @description 格式化日期
 * @param {String} format -必填项，显示格式
 * @param {String} yyyy-MM-dd hh:mm:ss --分别表示 年-月-日 时-分-秒
 * @return {Undefined}
 * @example
 *  new Date().Format("yyyy年MM月dd日")
 *  new Date().Format("MM/dd/yyyy")
 *  new Date().Format("yyyyMMdd")
 *  new Date().Format("yyyy-MM-dd hh:mm:ss")
 * */
const formatTimes = () => {
  Date.prototype.Format = function (format) {
    var o = {
      'M+': this.getMonth() + 1, //month
      'd+': this.getDate(), //day
      'h+': this.getHours(), //hour
      'm+': this.getMinutes(), //minute
      's+': this.getSeconds(), //second
      'q+': Math.floor((this.getMonth() + 3) / 3), //quarter
      S: this.getMilliseconds(), //millisecond
    };
    if (/(y+)/.test(format)) {
      format = format.replace(
        RegExp.$1,
        (this.getFullYear() + '').substr(4 - RegExp.$1.length)
      );
    }
    for (var k in o) {
      if (new RegExp('(' + k + ')').test(format)) {
        format = format.replace(
          RegExp.$1,
          RegExp.$1.length == 1
            ? o[k]
            : ('00' + o[k]).substr(('' + o[k]).length)
        );
      }
    }
    return format;
  };
};

(1.4000000000000001).toPrecision(12);
// toFixed

//判断访问终端
var browser = {
  versions: (function () {
    var u = navigator.userAgent,
      app = navigator.appVersion;
    return {
      trident: u.indexOf('Trident') > -1, //IE内核
      presto: u.indexOf('Presto') > -1, //opera内核
      webKit: u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
      gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
      mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
      ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
      android: u.indexOf('Android') > -1 || u.indexOf('Adr') > -1, //android终端
      iPhone: u.indexOf('iPhone') > -1, //是否为iPhone或者QQHD浏览器
      iPad: u.indexOf('iPad') > -1, //是否iPad
      webApp: u.indexOf('Safari') == -1, //是否web应该程序，没有头部与底部
      weixin: u.indexOf('MicroMessenger') > -1, //是否微信 （2015-01-22新增）
      qq: u.match(/\sQQ/i) == ' qq', //是否QQ
    };
  })(),
  language: (navigator.browserLanguage || navigator.language).toLowerCase(),
};

window.location.origin = window.location.protocol + "//" + window.location.hostname + (window.location.port ? ':' + window.location.port: ''

'emoji.pnn.png'.match(/\.[^.]*/g);
//  [".pnn", ".png"]

function nofind() {
  var img = event.srcElement;
  img.src = 'images/logoError.png';
  img.onerror = null; // 控制不要一直跳动
}

//计算版本号大小,转化大小
function toNum(a) {
  var a = a.toString();
  //也可以这样写 var c=a.split(/\./);
  var c = a.split('.');
  var num_place = ['', '0', '00', '000', '0000'],
    r = num_place.reverse();
  for (var i = 0; i < c.length; i++) {
    var len = c[i].length;
    c[i] = r[len] + c[i];
  }
  var res = c.join('');
  return res;
}
function cpr_version(a, b) {
  var _a = toNum(a),
    _b = toNum(b);
  if (_a == _b) console.log('版本号相同！版本号为：' + a);
  if (_a > _b) console.log('版本号' + a + '是新版本！');
  if (_a < _b) console.log('版本号' + b + '是新版本！');
}
var a = '2.2.3';
b = '2.1.15';
cpr_version(a, b);

window.onerror = function (message, url, line, column, error) {
  console.log('log---onerror::::', message, url, line, column, error);
};

let url = location.href,
  queryArr = [],
  queryStr = '',
  splitQuery = (str) => str.substring(1).split('&'),
  reg = /^(https?\:\/\/[\w\.\/]+)(\?[^#]+)?(#[^\?&]+)?(.+)?$/,
  res = reg.exec(url);

if (!res || !res[3]) return;

if (res[4]) queryArr = queryArr.concat(splitQuery(res[4]));
if (res[2]) queryArr = queryArr.concat(splitQuery(res[2]));
if (!queryArr.length) return;

queryArr = [...new Set(queryArr)]; // 去重
queryStr = '?' + queryArr.join('&');
location.hash = res[3] + queryStr; // 这个是将参数放在了hash后边

/^(?:([A-Za-z]+):)?(\/{0,3})([0-9.\-A-Za-z]+)(?::(\d+))?(?:\/([^?#]*))?(?:\?([^#]*))?(?:#(.*))?$/.exec(
  location.href
);

setTimeout(function () {
  console.log('4');
}, 10);
new Promise(function (resolve) {
  console.log('5');
  setTimeout(resolve, 3000);
}).then(function () {
  console.log('6');
});

// 5 4 6

new Date(2009, 1, 1); //正确

new Date('2009/1/1 10:00:00'); //正确

var a = {}; //属性自己填
var b = JSON.parse(JSON.stringify(a));

var arr = [
  { name: 'abc', age: 20 },
  { name: 'Cde', age: 19 },
  { name: 'dfc', age: 25 },
  { name: 'Bde', age: 21 },
];
arr.sort(function (a, b) {
  var s = a.name.toLowerCase();
  var t = b.name.toLowerCase();
  if (s < t) return -1;
  if (s > t) return 1;
});
console.log(arr);

try {
  throw new Error('抛错来终止');
} catch (e) {}

var list = ['王', '张', '李'];
list.sort(function (a, b) {
  return a.localeCompare(b, 'zh');
});

const path = require('path')
console.log('__dirname：', __dirname)
console.log('__filename：', __filename)
console.log('process.cwd()：', process.cwd())
console.log('./：', path.resolve('./'))

// 结果
__dirname：     /Users/jawil/Desktop/nodejs/demo/ES6-lottery/syntax/nodejs
__filename：    /Users/jawil/Desktop/nodejs/demo/ES6-lottery/syntax/nodejs/2.path.js
process.cwd()： /Users/jawil/Desktop/nodejs/demo/ES6-lottery/syntax/nodejs
./：            /Users/jawil/Desktop/nodejs/demo/ES6-lottery/syntax/nodejs

const requireAll = (requireContext) =>
  requireContext.keys().map(requireContext);
const req = require.context('@/assets/img/icons/svg', false, /\.svg$/);
const iconMap = requireAll(req);

const privacyAgreement = () =>
  require.ensure([], () => require('./privacyAgreement'));

// 组件按需加载
require(['./my-async-component'], resolve)
'text-list': () => import('../../../components/common/text-list/index')

外层 /deep/ 第三方组件 {
        样式
    }
    .wrapper /deep/ .swiper-pagination-bullet-active{
      background: #fff;
    }

<router-view v-if="$route.meta.noAlive" :key="$route.fullPath"></router-view>

Vue.prototype.$close = () => { window.opener = null window.open('', '_self')
window.close() } Vue.prototype.$open = (obj) => { const { path = '', query = {}
} = obj let queryString = '' for (var item in query) { if
(query.hasOwnProperty(item)) { queryString = `${queryString}${queryString ? '&'
: ''}${item}=${query[item]}` } }
window.open(`//gm.zhuanzhuan.com/qc${path}?${queryString}`) }

var safeNestValue = (origin, keyStr, defaultValue) => {
  let keyArr = keyStr.split('.').reduce((t, c) => {
    return t.concat(
      c.split(/(\[|\])/).filter((item) => item && item !== '[' && item !== ']')
    );
  }, []);
  const fn2 = (o, arr) => {
    if (arr.length === 0) return o;
    const key = arr.splice(0, 1);
    const result = o[key];
    if (result === void 0) {
      return defaultValue;
    }
    return fn2(result, arr);
  };
  return fn2(origin, keyArr);
};

login?redirect=javascript%3Aalert%28document.cookie%29

javascript: alert(document.cookie);

const delBungee = () => {
  var startY, endY;
  //记录手指触摸的起点坐标
  document.querySelector('body').addEventListener(
    'touchstart',
    function (e) {
      startY = e.touches[0].pageY;
    },
    { passive: false }
  );
  document.querySelector('body').addEventListener(
    'touchmove',
    function (e) {
      endY = e.touches[0].pageY; //记录手指触摸的移动中的坐标
      // console.log('startY', startY)
      // console.log('endY', endY)
      // console.log('window.scrollY', window.scrollY)
      //手指下滑，页面到达顶端不能继续下滑
      if (
        ((endY > startY || startY === 'undefined') && window.scrollY <= 0) ||
        window.scrollY === 0
      ) {
        e.preventDefault();
      }
      //手指上滑，页面到达底部能继续上滑
      if (
        endY < startY &&
        window.scrollY + document.body.clientHeight >=
          document.querySelector('body').scrollHeight
      ) {
        e.preventDefault();
      }
    },
    { passive: false }
  );
};