Cara Mudah Membuat Tombol "Back to Top" di Blog

Cara Memasang atau Membuat Tombol "Back to Top" di Blog Blogger.

TOMBOL "kembali ke atas" atau "Back to Top" (BTT) befungsi sebagai fasilitas blog untuk memudahkan pengunjung kembali ke halaman atau bagian paling atas blog, tanpa perlu scroll mouse ataupun "tap".

Tombol Back to Top ini sudah menjadi trend desain blog/website karena sangat bermanfaat bagi pengunjung (user friendly). Ini salah satu penampakan tombol back to top yang muncul di samping kanan halaman blog.

Jika blog Anda belum memasang Tombol Back to Top ini, maka berikut ini caranya. Sangat mudah! Contoh atau demonya bisa dilihat di kanan bawah layar monitor Anda di halaman blog ini.

Kode asli untuk memasang tombol "Back to Top" di blog ini ada di Dynamic Drive yang dimodif oleg MBT.

Cara Memasang Tombol "Back to Top" di Blog

1. Layout > Add a Gadget > Pilih HTML/JavaScript
2. Judul kosongkan!
3. Copas kode berikut ini:

<script type="text/javascript" >

/***********************************************
* Scroll To Top Control script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* Modified by www.MyBloggerTricks.com
* This notice MUST stay intact for legal use
* Visit Project Page at http://www.dynamicdrive.com for full source code
***********************************************/

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="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEia0Pn2OLSzTt6R19KjPf_HuyVcKA_BrWFFcGW4uA0K1PKxmIYpmLCUlxobNhyGZSc_4HNx9RNv5MpictMxAXluT0wQKnEloIgCwv9ORi8MXkNQG9TKbbadq7mjzz4epdZD0hNl6XoymbI/" />', //HTML for control, which is auto wrapped in DIV w/ ID="topcontrol" 

controlattrs: {offsetx:5, offsety:5}, //offset of control relative to right/ bottom of window corner
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=$('<div id="topcontrol">'+mainobj.controlHTML+'</div>')
.css({position:mainobj.cssfixedsupport? 'fixed' : 'absolute', bottom:mainobj.controlattrs.offsety, right:mainobj.controlattrs.offsetx, opacity:0, cursor:'pointer'})
.attr({title:'Scroll Back to Top'})
.click(function(){mainobj.scrollup(); return false})
.appendTo('body')
if (document.all && !window.XMLHttpRequest && mainobj.$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>

4. Ganti link gambar warna merah dengan gambar back to top yang Anda kehendaki

5. Save!

Kini tombol Back to Top sudah muncul di blog Anda.