demo type racing automatic type

(function() {
  const spans = document.querySelectorAll('span[unselectable="on"]');
  const input = document.querySelector('input.txtInput');

  if (spans.length > 0 && input) {
    let text = '';
    spans.forEach(span => {
      text += span.textContent;
    });

    input.focus();
    input.value = "";

    let index = 0;

    function typeNextChar() {
      if (index < text.length) {
        input.value += text.charAt(index);
        input.dispatchEvent(new Event('input', { bubbles: true }));
        index++;
        setTimeout(typeNextChar, 100);
      }
    }

    typeNextChar();
  } else {
    console.warn("Spans or input not found.");
  }
})();