vldvel

const string1 = 'level';
const string2 = 'Le, vel.';

const isPalindrome = (stringToTest1, stringToTest2) => {
  const stringToTestTransformed1 = stringToTest1
      .replace(/[^\w]/gi, '') // replace all non-lettter characters
      .toLowerCase(); // make all characters lower cased

  const stringToTestTransformedAndReversed2 = stringToTest2
      .replace(/[^\w]/gi, '')

vldvel

const string1 = 'level';
const string2 = 'house';

const isPalindrome = stringToTest => stringToTest === stringToTest.split('').reverse().join('');

isPalindrome(string1); // true
isPalindrome(string2); // false

vldvel

const string1 = 'level';
const string2 = 'Le, vel.';

const isPalindrome = stringToTest => {
  const stringTransformed = stringToTest
      .replace(/[^\w]/gi, '') // replace all non-letter characters
      .toLowerCase(); // make all characters lower cased

  return stringTransformed === stringTransformed.split('').reverse().join('');
}

vldvel

if (s.indexOf('PM') > -1) // then do smth with PM
else // then do some other thing with AM

vldvel

const arr = s.slice(0,8).split(':');
// '00:00:00AM' -> ['00', '00', '00']

vldvel

// PM case
if (arr[0] == 12) { // as 12 is the string I use ==, but you can rewrite it like === '12'
  arr[0] = '12';
} else { 
  arr[0] = Number(arr[0]) + 12; // if we add number to string we will get new string like '1312'
}

// AM case
if (arr[0] == 12) {
  arr[0] = '00';

vldvel

const arr = s.slice(0,8).split(':');
arr[0] = (s.indexOf('PM') > -1) ?
         (arr[0] == 12 ? '12' : Number(arr[0]) + 12) :
         (arr[0] == 12 ? '00' : arr[0]);

vldvel

const arr = s.slice(0,8).split(':');
arr[0] = (s.indexOf('PM') > -1) ?
         (arr[0] == 12 ? '12' : Number(arr[0]) + 12) :
         (arr[0] == 12 ? '00' : arr[0]);
return arr.join(':');

vldvel

.blured-circle {
  filter: blur(1.2vmax);
}

vldvel

.blurred-wrapper {
  filter: contrast(7);
}