jquery动态切换背景图片的简单实现方法

(function()
{
  var bgCounter = 0,
    backgrounds = [
      "Images/BACKGROUND_1_TEST.png",
      "Images/BACKGROUND_2_TEST.png",
      "Images/BACKGROUND_3_TEST.png"
    ];
  function changeBackground()
  {
    bgCounter = (bgCounter+1) % backgrounds.length;
    $('body').css('background', '#000 url('+backgrounds[bgCounter]+') no-repeat');
    setTimeout(changeBackground, 10000);
  }
  changeBackground();
})();