jquery鼠标双击平滑的移动到任何指定位置自动排序特效

使用方法

(function ($) {
    $.fn.moveToTop = function (options) {
        // default options
        let defaults = {
            target: this.prev(),
            speed: 1000,
            opacity: 0.7,
            start: function () {

            },
            end: function () {

            }
        };

        let option = $.extend(defaults, options);

        let currentEl = this,
            targetEl = option.target,
            cssBefore = {
                "position" : "relative",
                "opacity": option.opacity
            },
            cssAfter = {
                "top" : "0",
                "opacity": 1
            },
            distance = currentEl.offset().top - targetEl.offset().top;

        if (distance > 0) {
            currentEl.css(cssBefore);
            option.start();
            $.when(currentEl.animate({
                    top: - distance
                }, option.speed))
                .done(function () {
                    currentEl.css(cssAfter);
                    currentEl.insertBefore(targetEl);
                    option.end();
                });
        }
    }
}(jQuery));