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Botões de Scroll


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Estou aqui a tentar criar uns botões de scroll para uma páginamas estou aqui com uns problemas

$(document).ready(function() {
var window_height = $(window).height();

$(window).scroll(function() {
	var scrolled = $(window).scrollTop();

$('.up').click(function() {
	var scrolled = $(window).scrollTop();
	var document_height = $(document).height();

	$('body').animate({scrollTop: scrolled - (document_height / 10)});

$('.down').click(function() {
	var scrolled = $(window).scrollTop();
	var document_height = $(document).height();

	$('body').animate({scrolltop: scrolled + (document_height / 10)});



<div id="div"></div>
 <div id="button" class="up">/\</div>
 <div id="button" class="down">\/</div>

Esta é a parte que interessa do código javascript

era suposto fazer scroll quando carrego nos botões mas não faz nada.

Podem dar uma ajuda?

Edited by sEnte

"If It Ain't Broke, Break it and build something Cooler!" Unknown

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