gthrm

const bufer = (function makeBufer() {
    let cash = '';
    function fn(value) {
        if (!value) {
            return cash;
        }
        cash += value;

    }
    fn.clear = () => {

gthrm

function makePeople(count) {
    let people = [];
    let serialNumber = 0;
    for (; serialNumber < count; serialNumber++) {
        
        let men = (num) => {
            return () => {
                debugger
            console.log(num)
        };

gthrm

_imageEncode(arrayBuffer, contentType) {
    let u8 = new Uint8Array(arrayBuffer)
    let b64encoded = btoa([].reduce.call(new Uint8Array(arrayBuffer), function (p, c) { return p + String.fromCharCode(c) }, ''))
    let mimetype = contentType || "image/png"
    return "data:" + mimetype + ";base64," + b64encoded
}

gthrm

switch (digitsOnly) {
     case digitsOnly.match(/\s+/g) ? digitsOnly : true:
         result = digitsOnly.replace(/\s+/g, '');/* оставляем только цифры, удаляем пробелы*/
         break;
      case digitsOnly.match(/\.+/g) ? digitsOnly: true:
          result = digitsOnly.replace(/\.+/g, '');/* оставляем только цифры, удаляем точки*/
          break;
      case digitsOnly.match(/^\d+/g) ? digitsOnly: true:
          result = digitsOnly.replace(/\s+/g, '');/* оставляем только цифры, удаляем пробелы*/
          break;

gthrm

function randomInteger(min, max) {
  // случайное число от min до (max+1)
  let rand = min + Math.random() * (max + 1 - min);
  return Math.floor(rand);
}

console.log( randomInteger(1, 3) );

gthrm

async function sendCASH() {
    let promise = new Promise((resolve, reject) => {
        setTimeout(() => resolve('Ok, nice!'), 3000);
        setTimeout(() => reject('Fuck, shit!'), 4000); //не сработает
    });
    let result = await promise;
    return result;
}

sendCASH()

gthrm

function funcLol(params) {
    this.timeOut ? clearTimeout(this.timeOut) : null
    this.timeOut = setTimeout(() => {
        console.log('post', params);
    }, 1000);
}

gthrm

export const createContactsArray = (keys, values, len) => {
  let i, arr = []
  for (i = 1; i <= len; i++) {
    let obj = {}
    for (let index = 0; index < keys.length; index++) {
      obj[keys[index]] = keys[index] === 'id' ? `00${i + index}` : values[index]
    }
    arr.push(obj);
  }
  return arr;

gthrm

const str = 'some string'
str.replace(/[ .,\/#!$%\^&\*;:{}=\-_`~()]/g, '_'); //удалит все знаки и пробел

gthrm

function primality(n) {
 for(let i = 2; i < n; i++) {
    if(n % i === 0) return false;
 }
 return n > 1;
}