Pre-made (Yanfly's) Action Sequence Sharing and Discussions

<After Eval>
// Get the states the user is currently affected by.
let states = user.states();
// This is the category we want to transfer.
let category = 'Ailment';
// Add a limit
let removed = 0;
// Create a loop that goes through each state.
while (states.length > 0 && removed < 3)
{
  // Get the currently looped state.
  var state = states.shift();
  // Check if the state's categories has the one we want.
  if (state.category.contains(category.toUpperCase())) 
  {
    // Get the number of turns left on the user for the state.
    var turns = user.stateTurns(state.id);
    // Remove the state from the user.
    user.removeState(state.id);
    // Add the state to the target.
    target.addState(state.id);
    // Increment the limit
    removed++;
    // Check if the addition of the state went through.
    if (target.isStateAffected(state.id))
      // Set the number of turns for that state for the target.
      target.setStateTurns(state.id, turns);
  }
}
</After Eval>

user.friendsUnit().aliveMembers().forEach(member => member.gainHp(5))