Антон Швец

<template id="picture-template" style="display: none">
  <a href="">
    <img src="" width="182" height="182" class="pictures">
  </a>
</template>
<div id="place"></div>

const template = document.querySelector('#picture-template').content;
const place = document.querySelector('#place')
const pictures = template.querySelector('.pictures'); 
for (let i = 1; i<25; i++ ) {  
  const pictureClone = pictures.cloneNode(true);  
  pictureClone.setAttribute('src', 'photos/' + i + '.jpg');
  place.appendChild(pictureClone);
}

function findAll(haystack, needle) {
  const str = haystack.toLowerCase();
  const target = needle.toLowerCase();
  const r = [];
  let z;
  for(let i = 0; i <= str.length; i++) {
    if(!~(z = str.indexOf(target, i))) break;
    r.push(z);
    i = z + needle.length;
  }
  return r.length ? r : false;
}

function findAllTwo(str, target) {
  let position = 0, z,
     result = [];
  while (~(z = str.indexOf(target, position))) {
    result.push(z);
    position = z + target.length;
  } 
  return result;
}

for( let i = 0; ~(z = str.indexOf(target, i)); i++)

const axiosInstanse = axios.create({
  baseURL: 'http://URL',
  proxyHeaders: false,
  credentials: false
});

console.log(axiosInstanse.defaults.baseURL);

let perm = true;
const delay = 1000;
socket.on("notify", function (data) {
if (!perm) return;
perm = false;
setTimeout(() => perm = true, delay);
// here do actions
});

> (1e+21 / 100).toFixed(2)
'10000000000000000000.00'
> (1e+21 / 10).toFixed(2)
'100000000000000000000.00'
> (1e+21 / 1).toFixed(2)
'1e+21'

const time = "06:56 30.3.18"

function parseDate(dateString) {
    if (!dateString) return new Date();
    const regexp = /(\d+):(\d+)\s(\d+).(\d+).(\d+)/;
    if(!regexp.test(dateString)) throw new Error('date string format error');
    const d =regexp.exec(dateString);
    if (d[5].length == 2) d[5] = `20${d[5]}`;
    return new Date(d[5], d[4] - 1, d[3], d[1], d[2]);
}

const date1 = new Date(2018, 2, 30, 6, 56);
const date2 = parseDate(time);

console.assert(date1.getTime() == date2.getTime());

const set= new Set();
arrayOne.concat(arrayTwo).forEach(u => set.add(u));
arrayThree.concat(Array.from(set));

Array.from(document.querySelectorAll('a.ms-subtleLink'))
  .filter(u => u.textContent === 'Александр')
  .forEach(u => u.style.background = 'red')