Membuat Tombol Back To Top - Klik Balik Ke Atas

Tombol Back To Top adalah tombol yang apabila di KLIK, secara otomatis akan kembali ke bagian atas halaman posting

Sangat berguna terutama pada halaman postingan yang puanjang, agar mudah saat ingin melihat kembali bagian atas halaman dengan cepat.

Cara membuatnya sbb:

1. Pertama klik Tata Letak
2. Klik Tambah Gadget
3. Lalu pilih HTML/JavaScript 
4. Copy Paste code script di bawah ini 

KETERANGAN

Ganti Tulisan yang berwarna merah sesuai selera 
Contoh gambar back to top lain <img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgU_UqkcFHVVu0HBlFKq0GPcCMjAsvqfR6sdYCS-eouIfdERrykj7RVTmUYGqcmQDC4HSYZujREi5GZNFc17SUElwW2G5yeMzmafeDRfyE2HWFAUI_6-z6Xe5g-UmR4ct08Feou90JcZFiB/s1600/Back+to+top+4.jpg" />

<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="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqndxYWwIMqxJjgzwQeJXNgtGAx5QElgLX3N-b4kYHpQUx7Xle0y9Qh9ZbHmtD4YrOxSg3N4SFiaQtdqjahAavdaDgOC4O_ag7DIPNmicxvJ6i9nhUbt_SakGcnv1U1RedFZpGdVoifiqO/s1600/Back+to+top+1.jpg" />', //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:'Klik Balek 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>

Demikian, Disimpen Ben Ra Lali

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