How to Add Smooth Scroll Effects to Blog

How to Add Smooth Scroll Effects to Blogger

Maybe you are familiar with the back to top button widget that will make it easy for visitors in terms of navigation on the site, as well as the Smooth Scroll Effect on this Blogger.This smooth scroll impact will give a smooth change when we look over the page just as a smooth scroll impact on the back to top button.


For those who are interested, you can follow the easy steps to install it below.

How to Install the Smooth Scroll Effect on Blogger

Open the Blogger page and Login > Click the Themes menu and click the Edit HTML button> Add the following code before </ body>

<script type="text/javascript"> /*<![CDATA[*/ // Smooth scroll !function(){function e(){var e=!1;e&&c("keydown",r),v.keyboardSupport&&!e&&u("keydown",r)}function t(){if(document.body){var t=document.body,o=document.documentElement,n=window.innerHeight,r=t.scrollHeight;if(S=document.compatMode.indexOf("CSS")>=0?o:t,w=t,e(),x=!0,top!=self)y=!0;else if(r>n&&(t.offsetHeight<=n||o.offsetHeight<=n)){var a=!1,i=function(){a||o.scrollHeight==document.height||(a=!0,setTimeout(function(){o.style.height=document.height+"px",a=!1},500))};if(o.style.height="auto",setTimeout(i,10),S.offsetHeight<=n){var l=document.createElement("div");l.style.clear="both",t.appendChild(l)}}v.fixedBackground||b||(t.style.backgroundAttachment="scroll",o.style.backgroundAttachment="scroll")}}function o(e,t,o,n){if(n||(n=1e3),d(t,o),1!=v.accelerationMax){var r=+new Date,a=r-C;if(a<v.accelerationDelta){var i=(1+30/a)/2;i>1&&(i=Math.min(i,v.accelerationMax),t*=i,o*=i)}C=+new Date}if(M.push({x:t,y:o,lastX:0>t?.99:-.99,lastY:0>o?.99:-.99,start:+new Date}),!T){var l=e===document.body,u=function(){for(var r=+new Date,a=0,i=0,c=0;c<M.length;c++){var s=M[c],d=r-s.start,f=d>=v.animationTime,h=f?1:d/v.animationTime;v.pulseAlgorithm&&(h=p(h));var m=s.x*h-s.lastX>>0,w=s.y*h-s.lastY>>0;a+=m,i+=w,s.lastX+=m,s.lastY+=w,f&&(M.splice(c,1),c--)}l?window.scrollBy(a,i):(a&&(e.scrollLeft+=a),i&&(e.scrollTop+=i)),t||o||(M=[]),M.length?E(u,e,n/v.frameRate+1):T=!1};E(u,e,0),T=!0}}function n(e){x||t();var n=e.target,r=l(n);if(!r||e.defaultPrevented||s(w,"embed")||s(n,"embed")&&/\.pdf/i.test(n.src))return!0;var a=e.wheelDeltaX||0,i=e.wheelDeltaY||0;return a||i||(i=e.wheelDelta||0),!v.touchpadSupport&&f(i)?!0:(Math.abs(a)>1.2&&(a*=v.stepSize/120),Math.abs(i)>1.2&&(i*=v.stepSize/120),o(r,-a,-i),void e.preventDefault())}function r(e){var t=e.target,n=e.ctrlKey||e.altKey||e.metaKey||e.shiftKey&&e.keyCode!==H.spacebar;if(/input|textarea|select|embed/i.test(t.nodeName)||t.isContentEditable||e.defaultPrevented||n)return!0;if(s(t,"button")&&e.keyCode===H.spacebar)return!0;var r,a=0,i=0,u=l(w),c=u.clientHeight;switch(u==document.body&&(c=window.innerHeight),e.keyCode){case H.up:i=-v.arrowScroll;break;case H.down:i=v.arrowScroll;break;case H.spacebar:r=e.shiftKey?1:-1,i=-r*c*.9;break;case H.pageup:i=.9*-c;break;case H.pagedown:i=.9*c;break;case H.home:i=-u.scrollTop;break;case H.end:var d=u.scrollHeight-u.scrollTop-c;i=d>0?d+10:0;break;case H.left:a=-v.arrowScroll;break;case H.right:a=v.arrowScroll;break;default:return!0}o(u,a,i),e.preventDefault()}function a(e){w=e.target}function i(e,t){for(var o=e.length;o--;)z[N(e[o])]=t;return t}function l(e){var t=[],o=S.scrollHeight;do{var n=z[N(e)];if(n)return i(t,n);if(t.push(e),o===e.scrollHeight){if(!y||S.clientHeight+10<o)return i(t,document.body)}else if(e.clientHeight+10<e.scrollHeight&&(overflow=getComputedStyle(e,"").getPropertyValue("overflow-y"),"scroll"===overflow||"auto"===overflow))return i(t,e)}while(e=e.parentNode)}function u(e,t,o){window.addEventListener(e,t,o||!1)}function c(e,t,o){window.removeEventListener(e,t,o||!1)}function s(e,t){return(e.nodeName||"").toLowerCase()===t.toLowerCase()}function d(e,t){e=e>0?1:-1,t=t>0?1:-1,(k.x!==e||k.y!==t)&&(k.x=e,k.y=t,M=[],C=0)}function f(e){if(e){e=Math.abs(e),D.push(e),D.shift(),clearTimeout(A);var t=D[0]==D[1]&&D[1]==D[2],o=h(D[0],120)&&h(D[1],120)&&h(D[2],120);return!(t||o)}}function h(e,t){return Math.floor(e/t)==e/t}function m(e){var t,o,n;return e*=v.pulseScale,1>e?t=e-(1-Math.exp(-e)):(o=Math.exp(-1),e-=1,n=1-Math.exp(-e),t=o+n*(1-o)),t*v.pulseNormalize}function p(e){return e>=1?1:0>=e?0:(1==v.pulseNormalize&&(v.pulseNormalize/=m(1)),m(e))}var w,g={frameRate:150,animationTime:800,stepSize:120,pulseAlgorithm:!0,pulseScale:8,pulseNormalize:1,accelerationDelta:20,accelerationMax:1,keyboardSupport:!0,arrowScroll:50,touchpadSupport:!0,fixedBackground:!0,excluded:""},v=g,b=!1,y=!1,k={x:0,y:0},x=!1,S=document.documentElement,D=[120,120,120],H={left:37,up:38,right:39,down:40,spacebar:32,pageup:33,pagedown:34,end:35,home:36},v=g,M=[],T=!1,C=+new Date,z={};setInterval(function(){z={}},1e4);var A,N=function(){var e=0;return function(t){return t.uniqueID||(t.uniqueID=e++)}}(),E=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||function(e,t,o){window.setTimeout(e,o||1e3/60)}}(),K=/chrome/i.test(window.navigator.userAgent),L="onmousewheel"in document;L&&K&&(u("mousedown",a),u("mousewheel",n),u("load",t))}(); /*]]>*/ </script>

Then click Save theme and finish. For the results, you can check the difference with your friend before using the Smooth Scroll Effect on the button below.