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Animation jQuery's scrollTop function

23 August 2014

Animation jQuery's scrollTop function


css3 keyframesJquery is indeed the most compressed and efficient library of JavaScript introduced so far that has made a web developer's job more easy. Its built in functions of show(), hide(), AJAX() and my beloved scrollTop() are indeed the most used functions that gives a new life to user interface (UI). CSS3 animations using @Keyframes rule is one of the most innovative things I came across so far. Pseudo elements such as :before and :after are increasingly being used now because they eliminated the use of unnecessary div tags.

These days since  I am on vocations I am trying to improve skills of both Jquery and CSS3. From the combination of beautiful web tricks that I learnt so far, I managed to design a simple scroll to top button that uses JQuery's scrollTop function to produce smooth scrolling and is spiced up with CSS3 effects to make it stand out. I have created just two sample versions with circular and rectangular shapes. The Styles are extremely easy to be customized. Lets first see a demo for the circular one:

Live Demo

Don't forget to check our previously released versions of back to top buttons:

How to add it to Blogger?

  1. Go To Blogger > Template
  2. Back up your template
  3. Click Edit HTML
  4. Search for <head>
  5. Just below it paste the following scripts:
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js' type='text/javascript'/>
<script src='http://downloads.mybloggertricks.com/scrolltop.js' type='text/javascript'/>
Note: I have included the dynamic link for jquery so you wont need to update it when a new version of Jquery is released. It will update automatically.
   6.  Now Search for ]]></b:skin>
   7. Just above it paste one of the following styles
For circular one use this code:
/* ----- MBT's Back-To-Top Button Circular version -----*/
@-webkit-keyframes arrow_to_top{
    0%{
        top:10px
    }
    50%{
        top:5px
    }
    100%{
        top:10px
    }
}
@-moz-keyframes arrow_to_top{
    0%{
        top:10px
    }
    50%{
        top:5px
    }
    100%{
        top:10px
    }
}
@keyframes arrow_to_top{
    0%{
        top:10px
    }
    50%{
        top:5px
    }
    100%{
        top:10px
    }
}
#back-top, #back-top:hover{
    position: fixed;
    display:block;
    display:none;
    bottom: 20px;
    right:20px;
    cursor:pointer;
    width: 52px;
    height:52px;
    text-align: center;
    text-decoration: none;
    color: #797e82;
    color: rgba(100,100,100,0.8);
    font-size:16px;
    border:1px solid #c5ccd3;
    border-radius:30px;     z-index:9999;
    padding-top:35px;
    -webkit-box-sizing: border-box; 
    -moz-box-sizing: border-box;    
    box-sizing: border-box;             
    background: #dee1e7;
    background: rgba(208,215,222,0.5);
}
   
   
#back-top:hover{
    color:#000;
    text-shadow:1px 1px 0 #fff;
    background: #d0d7de;
    background: rgba(208,215,222,0.9);
    border-color:#8fa8c1;
}
#back-top:before{
    display:block;
    content:"";
    position:absolute;
    z-index:998;
    background: #e2e3e6;
    background: rgba(222,225,231,0.3);
    width: 66px;
    height:66px;
    border-radius:35px;     border:1px solid #c5ccd3;
    top:-9px;
    left:-9px
}
#back-top:hover:before{
    border-color:#8fa8c1
}
#back-top:after{
    display:block;
    content:"";
    position:absolute;
    z-index:10000;
    background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitOgS2NPSk1G84RpY9QbKGKvtacjW5CSI55qjqAdDPK3Ir5Mn1SEP9Dw4XsyKxZyyVQ15SBuxNXwD2FDS-PUHYPc4rQRLtCZo7aYgaCclOPyAHNVn0QyLffCLUdY2y1RuRcCTDkiHn536L/s400/sprite-mbt.png) -10px -5px no-repeat;
    opacity:0.5;
    width: 10px;
    height:23px;
    top:10px;
    left:50%;
    margin-left:-5px;
}
#back-top, #back-top:after, #back-top:before{
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -o-transition: 0.5s;
    -ms-transition: 0.5s;
    transition: 0.5s;
}
#back-top:hover:after{
    opacity:1;
    -moz-animation-duration: .5s;
    -moz-animation-iteration-count: infinite;
    -moz-animation-name: arrow_to_top;
    -moz-animation-timing-function: linear;
    -webkit-animation-duration: .5s;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-name: arrow_to_top;
    -webkit-animation-timing-function: linear;
    animation-duration: .5s;
    animation-iteration-count: infinite;
    animation-name: arrow_to_top;
    animation-timing-function: linear;
}
For Rectangular one use this code:

/* ----- MBT's Back-To-Top Button Rectangular version -----*/
@-webkit-keyframes arrow_to_top{
    0%{
        top:10px
    }
    50%{
        top:5px
    }
    100%{
        top:10px
    }
}
@-moz-keyframes arrow_to_top{
    0%{
        top:10px
    }
    50%{
        top:5px
    }
    100%{
        top:10px
    }
}
@keyframes arrow_to_top{
    0%{
        top:10px
    }
    50%{
        top:5px
    }
    100%{
        top:10px
    }
}
#back-top, #back-top:hover{
    position: fixed;
    display:block;
    display:none;
    bottom: 20px;
    right:0px;
    cursor:pointer;
    width: 24px;
    height:34px;
    text-align: center;
    text-decoration: none;
    color: #797e82;
    color: rgba(100,100,100,0.8);
    font-size:16px;
    border:1px solid #c5ccd3;
    border-radius:2px;
    z-index:9999;
    padding-top:35px;
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box;    /* Firefox, other Gecko */
    box-sizing: border-box;         /* Opera/IE 8+ */
    margin:0px;
    background: #dee1e7;
    background: rgba(208,215,222,0.5);
}

#back-top:hover{
    color:#000;
    text-shadow:1px 1px 0 #fff;
    background: #d0d7de;
    background: rgba(208,215,222,0.9);
    border-color:#8fa8c1;
}
#back-top:before{
    display:block;
    content:"";
    position:absolute;
    z-index:998;
    background: #e2e3e6;
    background: rgba(222,225,231,0.3);
    width: 37px;
    height:50px;
    border-radius:2px;
    border:1px solid #c5ccd3;
    top:-9px;
    left:-9px
}
#back-top:hover:before{
    border-color:#8fa8c1
}
#back-top:after{
    display:block;
    content:"";
    position:absolute;
    z-index:10000;
    background: url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitOgS2NPSk1G84RpY9QbKGKvtacjW5CSI55qjqAdDPK3Ir5Mn1SEP9Dw4XsyKxZyyVQ15SBuxNXwD2FDS-PUHYPc4rQRLtCZo7aYgaCclOPyAHNVn0QyLffCLUdY2y1RuRcCTDkiHn536L/s400/sprite-mbt.png) -10px -5px no-repeat;
    opacity:0.5;
    width: 10px;
    height:23px;
    top:7px;
    left:50%;
    margin-left:-5px;
}
#back-top, #back-top:after, #back-top:before{
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -o-transition: 0.5s;
    -ms-transition: 0.5s;
    transition: 0.5s;
}
#back-top:hover:after{
    opacity:1;
    -moz-animation-duration: .5s;
    -moz-animation-iteration-count: infinite;
    -moz-animation-name: arrow_to_top;
    -moz-animation-timing-function: linear;
    -webkit-animation-duration: .5s;
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-name: arrow_to_top;
    -webkit-animation-timing-function: linear;
    animation-duration: .5s;
    animation-iteration-count: infinite;
    animation-name: arrow_to_top;
    animation-timing-function: linear;
}

        8.   Now just one last step. Paste the following HTML code just below <body>

<a href='#top' id='back-top' style='right:0px; display: inline;'/>
Tip: Play with border-radius property to design more creative shapes yourself!
       9.    Save your template and you are all done!
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