10 examples of 'jquery scroll to top' in JavaScript

38
scrollToTop() {
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  $('html, body').animate({
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    scrollTop: 0,
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  }, 500);
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}

16
scrollToTop() {
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  $('#scroll-top').on('click', function(e) {
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    if( e ) {
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      e.preventDefault();
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      e.stopPropagation();
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    }
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    $('html,body').animate( { scrollTop: 0 }, 750 );
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    return false;
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  });
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}

53
scrollToTop(topOffset = 0) {
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  this.scrollToElement(this.doc.body, topOffset);
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}

3
function scroll () {
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  if (window.location.hash === '') return
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  const anchor = $j('a[href="' + window.location.hash + '"]')
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  if (anchor) $j(window).scrollTop(anchor.offset().top)
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}

36
function scroll_to(delta) {
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	if (delta < 0 ) {
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		delta = -scrollinc;
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	} else {
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		delta = scrollinc;
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	}
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	delta = delta * deltaKoef;
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	var listWidth = scroller.find('.dslca-section-scroller-content').width();
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	var contentWidth = scroller.width();
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	if ( listWidth <= contentWidth ) return false;
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	var scrollMax = listWidth - contentWidth + 10;
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	delta = parseInt(scrollInner.style.left || 0) - delta;
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	delta = delta >= 0 ? 0 : delta;
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	delta = delta <= -scrollMax ? -scrollMax : delta;
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	scrollInner.style.left = delta + 'px';
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}

424
scrollToTop(scrollDuration) {
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  if (!isBrowser) return;
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  const scrollHeight = window.scrollY;
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  const scrollStep = Math.PI / (scrollDuration / 15);
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  const cosParameter = scrollHeight / 2;
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  let scrollCount = 0;
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  let scrollMargin;
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  const scrollInterval = setInterval(() => {
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    if (window.scrollY > this.relativeTop) {
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      scrollCount += 1;
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      scrollMargin =
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        cosParameter - cosParameter * Math.cos(scrollCount * scrollStep);
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      window.scrollTo(0, scrollHeight - scrollMargin);
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    } else {
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      clearInterval(scrollInterval);
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    }
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  }, 16);
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}

37
function doScroll() {
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    var scroll = $(window).scrollTop();
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    var windowHeight = $(window).height();
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    var documentHeight = $(document).height();
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    var heightLessScroll = (documentHeight - windowHeight) - scroll;
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    if (heightLessScroll <= MINIMUM_HEIGHT_FOR_TO_LOAD) {
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        // $('.show-more').trigger('click');
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    }
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}

55
onScroll(top) {
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	this.top = top;
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	// if we're past threshold,
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	// or at bottom of document
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	// show el
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	if (this.top >= this.threshold + this.offset || this.top >= this.docH - this.windowH) {
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		this.show(this.el);
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	} else {
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		this.hide(this.el);
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	}
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}

51
scrollToTop: function scrollToTop() {
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    $('html, body').animate({
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        scrollTop: $("body").offset().top - 0
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    }, 0);
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},

24
scrollToTop(): void {
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    this.$scrollTo.goToTop(this.speed);
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}