在计时器之后仅删除使用jQuery创建的最旧的元素

Question

I have a ship fly over whenever a button is clicked, although at the moment it deletes all of the the ships on screen, not the oldest one created.

(function (el) {
  setTimeout(function () {
    el.children().remove('.ship');
  }, 5000);
}($('#saleShipHolder').append("<div class='ship' id='saleShip'></div>")));

It creates the ship, appends the ship element but the problem arises when the ship gets removed as it removes all of them on screen, not the oldest one. Sorry as I find this difficult to explain.

Thankyou in advance.

Answer 1

Well for starters, each "ship" has the same id, which it should not have. Also since they all have the same class, its going to find them all.

A simple approach would be to splice the newest ship element onto an array,and on your timeout .pop() off the oldest entry, and remove it .

Answer 2

Why not encapsulate the ship ?

(function (el) {
    var ship = $("<div class='ship' id='saleShip'></div>");

    el.append(ship);

    setTimeout(function () {
      ship.remove();
    }, 5000);

}($('#saleShipHolder')));