split

let string = 'rf||12|asd|13|fkas   55 gg    shit pro maskarade  ';

function split(string, separator) {
  let splitContainer = [];
  let currentString = '';

  for (let i = 0; i < string.length + 1; i++) {
    //Get char
    let currentChar = string[i];

    //If separator is encountered or char doesn't exist
    if (currentChar === separator || !currentChar) {
      splitContainer.push(currentString);
      currentString = '';
      continue;
    }

    //Add to filtered string
    currentString += currentChar;
  }
  //Add to array
  return splitContainer;
}

let splotString = split(string, '|');

console.log(splotString);
//'Real' Split();
console.log(string.split('|'));