text: /**
   * Given a singly linked list of integers l and an integer k,
   * remove all elements from list l that have a value equal to k.
   *
   * @param {List} l
   * @param {Number} k
   * @return {List}
   *
   * @example
   * For l = [3, 1, 2, 3, 4, 5] and l = 3,
   * the output should be [1, 2, 4, 5]
   *
   * Singly - linked lists are already defined with this interface
   * function ListNode(x) {
   *   this.value = x;
   *   this.next = null;
   * }
   */
  
  function removeKFromList(l, k) {
    let cur = l;
    let first = l;
    let prev;
    while (cur) {
      if (cur.value === k) {
        if (prev) {
          prev.next = cur.next;
        } else {
          first = cur.next;
        }
      }
      prev = cur;
      cur = cur.next;
    }
    return first;
  }
  
  module.exports = removeKFromList;
  