Fungsi dari tombol Back To Top adalah untuk scroll otomatis ke atas supaya pengunjung blog/website tidak
kerepotan ketika ingin menyecroll ke atas. Nah, tombol ini cocok untuk
blog/website yang postingan artikelnya terlalu panjang. Trus bagaimana cara
membuatnya mas?? Jawab : Mudah kok. Perhatikan tutorial dibawah ini.
- Login Blogger
- Masuk ke Tata Letak >> Tambah Gadget >> HTML Javascript
- Copy kode dibawah ini
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript" >
var scrolltotop={
//startline: Integer. Number of pixels from top of doc
scrollbar is scrolled before showing control
//scrollto: Keyword (Integer, or
"Scroll_to_Element_ID"). How far to scroll document up when control
is clicked on (0=top).
setting: {startline:100, scrollto: 0,
scrollduration:1000, fadeduration:[500, 100]},
controlHTML: '<img src="URL Gambar"
/>', //HTML for control, which is auto wrapped in DIV w/
ID="topcontrol"
controlattrs: {offsetx:5, offsety:5}, //jarak ke kanan
/ bawah
anchorkeyword: '#top', //Enter href value of HTML
anchors on the page that should also act as "Scroll Up" links
state: {isvisible:false, shouldvisible:false},
scrollup:function(){
if (!this.cssfixedsupport) //if control is positioned
using JavaScript
this.$control.css({opacity:0}) //hide control
immediately after clicking it
var dest=isNaN(this.setting.scrollto)?
this.setting.scrollto : parseInt(this.setting.scrollto)
if (typeof dest=="string" &&
jQuery('#'+dest).length==1) //check element set by string exists
dest=jQuery('#'+dest).offset().top
else
dest=0
this.$body.animate({scrollTop: dest},
this.setting.scrollduration);
},
keepfixed:function(){
var $window=jQuery(window)
var controlx=$window.scrollLeft() + $window.width() -
this.$control.width() - this.controlattrs.offsetx
var controly=$window.scrollTop() + $window.height() -
this.$control.height() - this.controlattrs.offsety
this.$control.css({left:controlx+'px',
top:controly+'px'})
},
togglecontrol:function(){
var scrolltop=jQuery(window).scrollTop()
if (!this.cssfixedsupport)
this.keepfixed()
this.state.shouldvisible=(scrolltop>=this.setting.startline)?
true : false
if (this.state.shouldvisible &&
!this.state.isvisible){
this.$control.stop().animate({opacity:1},
this.setting.fadeduration[0])
this.state.isvisible=true
}
else if (this.state.shouldvisible==false &&
this.state.isvisible){
this.$control.stop().animate({opacity:0},
this.setting.fadeduration[1])
this.state.isvisible=false
}
},
init:function(){
jQuery(document).ready(function($){
var mainobj=scrolltotop
var iebrws=document.all
mainobj.cssfixedsupport=!iebrws || iebrws &&
document.compatMode=="CSS1Compat" && window.XMLHttpRequest
//not IE or IE7+ browsers in standards mode
mainobj.$body=(window.opera)?
(document.compatMode=="CSS1Compat"? $('html') : $('body')) :
$('html,body')
mainobj.$control=$('<div
id="topcontrol">'+mainobj.controlHTML+'</div>')
.css({position:mainobj.cssfixedsupport? 'fixed' :
'absolute', bottom:mainobj.controlattrs.offsety,
right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
.attr({title:'Kembali ke Atas'})
.click(function(){mainobj.scrollup(); return false})
.appendTo('body')
if (document.all && !window.XMLHttpRequest
&& mainobj.$control.text()!='') //loose check for IE6 and below, plus
whether control contains any text
mainobj.$control.css({width:mainobj.$control.width()})
//IE6- seems to require an explicit width on a DIV containing text
mainobj.togglecontrol()
$('a[href="' + mainobj.anchorkeyword
+'"]').click(function(){
mainobj.scrollup()
return false
})
$(window).bind('scroll resize', function(e){
mainobj.togglecontrol()
})
})
}
}
scrolltotop.init()
</script>
- Pastekan pada kotak yang
telah tersedia
- Simpan/Save
Ganti URL Gambar dengan URL gambar Anda. Sekian dulu tutorial dari saya. Sampai ketemu di postingan
selanjutnya.
Selamat Mencoba 
