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Monday, 17 September 2012

Button Scroll to Top : Tips Blog

kadang kala, blog kita ni panjang sangat. sebab pertama ialah dalam satu page ada lebih satu entry(macam dalam blog gua ada 5 entry). sebab ke dua ialah post kita dalam satu entry tu panjang berjela-jela. panjang berjela2 tu bukan problem. iyeala ... bila nak sampaikan luahan hati atau perkara yang penting mestilah in detail kan?

tapi agak problem bila dah baca sampai bawah pastu ... bila nak atas balik kena guna mouse untuk skrol sampai ke atas balik. kan byk joule tenaga digunakan :P

so gua nak share button scroll to top. sebelum ni gua guna button yang permanent, belum skroll bawah pun dah appear button tu. tapi untuk tips kali ni, button scroll to the top hanya akan muncul bila page dah skrol ke bawah.


sebelum skrol ke bawah


setelah skrol ke bawah (button up sebelah kiri)



Step 1
Go to Blogger, Design

Step 2
Choose Layout

Step 3
Add a Gadjet 
Choose HTML/JavaScript

Step 4
Paste and save the code below


<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script> <script type="text/javascript" > /*********************************************** * Scroll To Top Control script- © Dynamic Drive DHTML code library (www.dynamicdrive.com) * Modified by www.helperblogger.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="http://4.bp.blogspot.com/-mwSVtgAlvsI/T1uawwxUkWI/AAAAAAAABFs/iU9OdqgUQkE/s1600/hb-arrow-up.png" />', //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>
Note : Kalau nak tukar dengan ikon lain, just host ikon tersebut dan copy URL dan gantikan dengan yang dihighlight merah. Any question, just leave it in comment.

Credit: HB

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