Monday, October 10, 2016

Membuat Tombol Scroll Back To Top Dengan Javascript

Membuat Tombol Scroll Back To Top Dengan Javascript


Membuat Tombol Scroll Back To Top Dengan Javascript - Tutorial Blogspot Membuat Button Back To Top. Script Javascript ini adalah script untuk membuat tombol kembali keatas atau back To Top yang sangat bagus menurut saya, karena tombol akan terhidden ketika posisi blog diatas, namun ketika posisi scroll blog dibawah maka tombol Back To Top akan segera muncul.
Membuat Tombol Scroll Back To Top Dengan Javascript
Membuat Tombol Scroll Back To Top Dengan Javascript
Berikut Scriptnya : 
- Taruh Tepat diatas </body>
<script type=text/javascript>
//<![CDATA[
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/AVvXsEieqycRBH0AJOl7wwVYoxAMADKBK0NQ7tYnP7e9Gw1cmyw4caf9MYyGwPI-O2-nKvE88cg0LjByeQlyYWpfDqPsenNdxvhNA7NKgYgI4-RfjC_Iicps4aMot3At2N4_J7uV_emOqxeIwVA-/s1600/top.png" style="width:48px; height:48px" />, //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: #naik, //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>
Selamat Mencobanya. Demonya seperti yang pada Blog ini.


Available link for download