Алексей Онищенко 1

// array methods
function check1(firstString, secondString) {
let firstArr = firstString.replace(/[ ]/g, '').split('');
let secondArr = secondString.replace(/[ ]/g, '').split('');

for (let i = 0; i < secondArr.length; i++) {
if (!firstArr.includes(secondArr[i])) {
return false;
}

let simb = firstArr.indexOf(secondArr[i]);
delete firstArr[simb];
}
return true;
}