DefectingCat

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DefectingCat

let arr = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
function shuffle(arr) {
    let cac;
    let len = arr.length - 1;
    let ran;
    for (let i = 0; i < len; i++) {
        // 保存当前位
        cac = arr[i];
        // 剩下位的随机抽取
        ran = Math.floor(Math.random() * (len - i + 1) + i);

DefectingCat

// new
function type(target) {
    let temp = {
        "[object String]": 'ObjectString',
        "[object Number]": 'ObejctNumber',
        "[object Array]": 'Array',
        "[object RegExp]": 'RegExp',
        "[object Date]": 'Date'
    }
    if (target === null) {

DefectingCat

Array.prototype.unique = function () {
    let x,
        y;
    let uni = {};
    for (x of this) {
        uni[x] = 'xfy';
    }
    let arr = Object.keys(uni);
    return arr;
}

DefectingCat

let xfy = (() => {
    let name = 'xfy';
    let age = 18;
    let obj = {};
    Object.defineProperty(obj, 'test', {
        get: function () {
            return name + ' : ' + age;
        },
        set: function (value) {
            name = value;

DefectingCat

function fibonacci(num) {
    let count = 0;
    let result = [1, 1];
    if (num <= 1) {
        return result;
    }
    let n = num - 2;
    for (let i = 0; i < n; i++) {
        result.push(result[count] + result[count + 1]);
        count++;

DefectingCat

let obj = {
    a: "xfy",
    b: {
        c: "test",
    },
    d: 123,
    e: [1, 2, 3, 4, 5],
    f: {
        g: 'array',
        h: [1, 2, 3, 4, 5, 6, {

DefectingCat

// "typescript": "~4.1.5"
type Debounce = {
  <T extends unknown[]>(fn: (...arg: T) => void | unknown, ms: number): (
    this: unknown,
    ...arg: T
  ) => void | unknown;
};

/**
 * debounce function wrapper

DefectingCat

function* fibonacciSquence() {
  let x = 0,
    y = 1;
  for (;;) {
    yield y;
    [x, y] = [y, x + y];
  }
}

const fibonacci = (n: number) => {

DefectingCat

let arr = [
  { name: 'zs', age: 15, happy: ['唱歌', '玩游戏'] },
  { name: 'ls', age: 15, happy: ['玩游戏'] },
  { name: 'zs', age: 15, happy: ['学习', '划水'] },
];

function test(arr) {
  let _obj = {};
  let _arr = [];
  if (!arr.length) return;