document.getElementById('add').onclick = function () {
      var d = document.getElementById('in').value;
      var temp = {};
      temp.todo = d;
      temp.checked = false;
      todoList.push(temp);

      var newEl = document.createElement('div');
      for (let i = 0; i < todoList.length; i++) {
         const now = todoList[i].todo;
         const ck = todoList[i].checked;
         const ht = `
            <div>
              <label class="checkbox-container">
                ${now}
                <input type="checkbox">
                <span class="checkmark"></span>
              </label>
              <div></div>
            </div>`;

         newEl.innerHTML = ht;

         list.appendChild(newEl);
   };
};