jQuery中心垂直和水平网页

Posted 2021-02-25

jQuery.fn.center = function() {
  this.css("position", "absolute");
  this.css("top", ($(window).height() - this.height()) / 2 + $(window).scrollTop() + "px");
  this.css("left", ($(window).width() - this.width()) / 2 + $(window).scrollLeft() + "px");
  return this
};