javascript - jQuery scroll to ID script only scrolling down -


i'm using following make anchor class of .jump-link scroll id it's referencing in href attribute:

// scroll id $('.jump-link').click(function () {     var el = $(this).attr('href'),         elwrapped = $(el);     scrolltoid(elwrapped, 40);     return false; }); function scrolltoid(element, navheight) {     var offset = element.offset(),         offsettop = offset.top,         totalscroll = offsettop - navheight;     $('body,html').animate({         scrolltop: totalscroll     }, 500); }

unfortunately though seems work scrolling down page. i'd script work scrolling page.

try this.. work. 

$(".jump-link").click(function(){  var id = $(this).attr('href');         $('html, body').animate({scrolltop: $("#"+id).offset().top}, 2000); });

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