Tutorial berikut berguna untuk menghias tampilan blog menjadi lebih menarik. Kalau biasanya tombol back to top hanya berupa ikon panah, maka di artikel ini akan sangat berbeda. Kita akan menggunakan ikon roket yang diberi efek meluncur ke atas.
Rocket Launch Back to Top Button Smooth Animation
1. Pastikan di blog kamu sudah terpasang library jQuery.
2. Tambahkan CSS ini DI ATAS </style> atau ]]></b:skin>.
/* Rocket Back to Top by igniel.com */
.ignielRocket svg {width:50px; height:50px; transition:all .3s ease;}
.ignielRocket svg path {fill:#008c5f}
.ignielRocket:hover svg, .ignielRocket.launch svg {transform:rotate(-45deg);}
.ignielRocket:hover svg path, .ignielRocket.launch svg path {fill:#ff5722}
.ignielRocket {visibility:hidden; opacity:0; position:fixed; right:30px; z-index:99; cursor:pointer; border-radius:100px; bottom:-30px;}
.ignielRocket.show {visibility:visible; opacity:1; bottom:30px; transition: all .5s ease;}
.ignielRocket.launch {visibility:visible; opacity:1; bottom:0px; transition: all 0s ease;}
.ignielRocket.launch:after {background:url("data:image/svg+xml,<svg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'><path d='M4,10A1,1 0 0,1 3,9A1,1 0 0,1 4,8H12A2,2 0 0,0 14,6A2,2 0 0,0 12,4C11.45,4 10.95,4.22 10.59,4.59C10.2,5 9.56,5 9.17,4.59C8.78,4.2 8.78,3.56 9.17,3.17C9.9,2.45 10.9,2 12,2A4,4 0 0,1 16,6A4,4 0 0,1 12,10H4M19,12A1,1 0 0,0 20,11A1,1 0 0,0 19,10C18.72,10 18.47,10.11 18.29,10.29C17.9,10.68 17.27,10.68 16.88,10.29C16.5,9.9 16.5,9.27 16.88,8.88C17.42,8.34 18.17,8 19,8A3,3 0 0,1 22,11A3,3 0 0,1 19,14H5A1,1 0 0,1 4,13A1,1 0 0,1 5,12H19M18,18H4A1,1 0 0,1 3,17A1,1 0 0,1 4,16H18A3,3 0 0,1 21,19A3,3 0 0,1 18,22C17.17,22 16.42,21.66 15.88,21.12C15.5,20.73 15.5,20.1 15.88,19.71C16.27,19.32 16.9,19.32 17.29,19.71C17.47,19.89 17.72,20 18,20A1,1 0 0,0 19,19A1,1 0 0,0 18,18Z' fill='%23ff5722'/></svg>") no-repeat center center; background-size:30px 30px; content:''; display:block; width:30px; height:30px; transform:rotate(90deg); position:relative; text-align:center; margin:auto;}
3. Simpan HTML dan script berikut DI ATAS </body>.
<div class='ignielRocket'>
<svg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'>
<path d='M2.81,14.12L5.64,11.29L8.17,10.79C11.39,6.41 17.55,4.22 19.78,4.22C19.78,6.45 17.59,12.61 13.21,15.83L12.71,18.36L9.88,21.19L9.17,17.66C7.76,17.66 7.76,17.66 7.05,16.95C6.34,16.24 6.34,16.24 6.34,14.83L2.81,14.12M5.64,16.95L7.05,18.36L4.39,21.03H2.97V19.61L5.64,16.95M4.22,15.54L5.46,15.71L3,18.16V16.74L4.22,15.54M8.29,18.54L8.46,19.78L7.26,21H5.84L8.29,18.54M13,9.5A1.5,1.5 0 0,0 11.5,11A1.5,1.5 0 0,0 13,12.5A1.5,1.5 0 0,0 14.5,11A1.5,1.5 0 0,0 13,9.5Z'/>
</svg>
</div>
<script> //<![CDATA[
// Rocket Back to Top by igniel.com
eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--){d[e(c)]=k[c]||e(c)}k=[function(e){return d[e]}];e=function(){return'\w+'};c=1};while(c--){if(k[c]){p=p.replace(new RegExp('\b'+e(c)+'\b','g'),k[c])}}return p}('A a=["\i\b\j","\j\b\c\g\i\g\b\k","\z\g\y\k\g\h\d\x\b\e\t\h\i","","\e\c\c","\d\f\I\k\e\p","\q\h\o\b\B\h\v\d\f\c\c","\c\e\q\b\d\d\H\b\j","\c\p\b\E","\f\m\m\v\d\f\c\c","\c\e\q\b\d\d","\D\C\n\n\j\F","\f\k\g\o\f\i\h","\n","\p\i\o\d\N\R\b\m\J","\e\d\g\e\t"];r U(l){$(w)[a[Q]](r(){$(a[2])[a[1]]()[a[0]]==-K&&$(a[2])[a[6]](a[5])[a[4]]({u:a[3]});O $(w)[a[7]]()>M?$(a[2])[a[9]](a[8]):$(a[2])[a[6]](a[8])}),$(a[2])[a[L]](r(){$(V)[a[9]](a[5])[a[s]]({u:a[P]},l);$(a[T])[a[s]]({S:a[G]},l)})}',58,58,'||||||||||_0x2bf4|x6F|x73|x6C|x63|x61|x69|x65|x74|x70|x6E|_0x1aefx2|x64|x30|x6D|x68|x72|function|12|x6B|top|x43|document|x52|x67|x2E|var|x76|x31|x2D|x77|x78|13|x54|x75|x79|100|15|300|x2C|return|11|10|x62|scrollTop|14|ignielRocket|this'.split('|'),0,{}));
ignielRocket(750);
//]]> </script>
Perhatikan fungsi ignielRocket(750). Angka 750 adalah kecepatan dari scroll halaman dan roket ketika meluncur. Kamu bisa ganti sesuai dengan keinginan. Ingat ya, kecepatannya dihitung dalam milidetik, yang artinya 750 sama dengan 0.75 detik.
Hasilnya bisa dilihat di sini.