Cara Membuat loading blog diatas seperti youtube

Pasti Kalian Sering Nonton Youtube Kan ??, Pasti Kalian Nggak Asing Lagi Dengan loading youtube Yang Bergulir Diatas Seperti Gambar Dibawah Ini
Kita Langsung aja ke Tutornya

Tutorial :
1.Login Ke Blogger Kalian Di Sini

2.Setelah Masuk Ke Dashboard Blog Kalian Pilih Tema Di Bagian Kiri

3.Setelah Di Klik Akan Muncul Tampilan Seperti Gambar dibawah, Kemuadian Klik Tombol Edit Html

4.Setelah Itu Akan Muncul Halaman Source Code Blog Kalian, Kemudian Letakkan Code Dibawah Ini , Di    Atas Code </body> Blog Kalian Tadi
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/<![CDATA[
var Nanobar=function(){var c,d,e,f,g,h,k={width:"100%",height:"2px",zIndex:9999,top:"0"},l={width:0,height:"100%",clear:"both",transition:"height .3s"};c=function(a,b){for(var c in b)a.style[c]=b[c];a.style["float"]="left"};f=function(){var a=this,b=this.width-this.here;0.1>b&&-0.1<b?(g.call(this,this.here),this.moving=!1,100==this.width&&(this.el.style.height=0,setTimeout(function(){a.cont.el.removeChild(a.el)},100))):(g.call(this,this.width-b/4),setTimeout(function(){a.go()},16))};g=function(a){this.width=
a;this.el.style.width=this.width+"%"};h=function(){var a=new d(this);this.bars.unshift(a)};d=function(a){this.el=document.createElement("div");this.el.style.backgroundColor=a.opts.bg;this.here=this.width=0;this.moving=!1;this.cont=a;c(this.el,l);a.el.appendChild(this.el)};d.prototype.go=function(a){a?(this.here=a,this.moving||(this.moving=!0,f.call(this))):this.moving&&f.call(this)};e=function(a){a=this.opts=a||{};var b;a.bg=a.bg||"#db3131";this.bars=[];b=this.el=document.createElement("div");c(this.el,
k);a.id&&(b.id=a.id);b.style.position=a.target?"relative":"fixed";a.target?a.target.insertBefore(b,a.target.firstChild):document.getElementsByTagName("body")[0].appendChild(b);h.call(this)};e.prototype.go=function(a){this.bars[0].go(a);100==a&&h.call(this)};return e}();
var nanobar = new Nanobar();nanobar.go(30);nanobar.go(60);nanobar.go(100);
//]]>
</script>

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NB : #db3131 Ini Adalah Kode Warna Nya Bisa Kalian Ubah Sesuai Selerah Kalian
Selesai Deh kalo Kagak Ngerti Silahkan Komentar Dibawah :)