锚点跳转的过渡效果

CSS实现：http://stackoverflow.com/questions/17631417/css-pure-css-scroll-animation

jq实现：

$(function () {
    $('a[href*=#],area[href*=#]').click(function () {
        console.log(this.pathname)
        if (location.pathname.replace(/^//, '') == this.pathname.replace(/^//, '') && location.hostname == this.hostname) {
            var $target = $(this.hash);
            $target = $target.length && $target || $('[name=' + this.hash.slice(1) + ']');
            if ($target.length) {
                var targetOffset = $target.offset().top;
                $('html,body').animate({
                    scrollTop: targetOffset
                },
                        1000);
                return false;
            }
        }
    });
});