create array

by Евгений

HTML

<div class="result"></div>
<div class="debug"></div>
<div class="resume"></div>

SCSS

.result,
.resume,
.debug {
  border: 1px solid grey;
  background-color: #dbdbdb;
  padding: 0 4px 4px 4px;
  line-height: 1.5rem;
  &::before {
    display: block;
    padding: 4px;
    margin: 0 -4px;
    background-color: grey;
  }
  &:empty {
    display: none;
  }
}

.result::before {
  content: 'result:';
}
.resume::before {
  content: 'resume:';
}
.debug::before {
  content: 'debug:';
}

JavaScript

const log = (result) => document.querySelector('.result').innerHTML = result;
const resume = (result) => document.querySelector('.resume').innerHTML = result;
const debug = (data) => document.querySelector('.debug').innerHTML = data;

const createArr = (num) => Array.from({length: num}, (v, i) => i);

const panNum = (num) => {
	const string = String(num);

	const uniq  = string
  	.split('')
    .filter((item, i, arr) => arr.indexOf(item) === i);
    console.log(string.length, uniq.length, uniq.length === string.length);
    return uniq.length === string.length;
}

debug(createArr(100).join(', '));
log(createArr(100).filter(panNum).join(', '));