Line 7: | Line 7: | ||
appendScrollBar(){ | appendScrollBar(){ | ||
$('body').append('<div class="scroll position-fixed" style="width:70px; bottom: 100%;right:1em; transition: all .3s ease-in-out">' + | $('body').append('<div class="scroll position-fixed" style="width:70px; bottom: 100%;right:1em; transition: all .3s ease-in-out">' + | ||
− | '<img src=" | + | '<img src="https://static.igem.org/mediawiki/2019/5/57/T--USTC-Software--scroll.png"/>' + |
'<div class="position-relative backHead" style="width: 70px; height: 110px; top: -110px; cursor: pointer;"></div>' + | '<div class="position-relative backHead" style="width: 70px; height: 110px; top: -110px; cursor: pointer;"></div>' + | ||
'</div>'); | '</div>'); |
Revision as of 13:43, 9 October 2019
$(document).ready(function () {
class ScrollBar { constructor(){ this.show = false; } // add the div we want to use appendScrollBar(){$('body').append('
' +
');
'<img src=""/>' +'' + '
} // basic operation maintainShow(){ $(window).scroll(function () { let toTop = $(document).scrollTop(); if (toTop > 300 && !this.show){ $(".scroll").css("bottom", "5%"); console.log('gt 300px'); this.show = true; }else if(toTop <= 300 && this.show){ $(".scroll").css("bottom", "100%"); console.log('lt 300px'); this.show = false; } }); } // make the img clickable listenForClick(){ $('.backHead').on('click', function () { $('body, html').animate({ scrollTop: 0, screenLeft: 0 }, 300); $(".scroll").css("bottom", "100%"); }); }
}
let scrollBar = new ScrollBar(); scrollBar.appendScrollBar(); scrollBar.maintainShow(); scrollBar.listenForClick();
});