<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row text-center">
<h1>Ladda UI spinner effect For Bootstrap 3</h1>
<p>Original idea by <a href="http://twitter.com/hakimel">@hakimel</a>, Bootstrap 3 adaptation by <a href="http://bootsnipp.com">Bootsnipp</a> creator, <a href="http://twitter.com/msurguy">@msurguy</a></p>
<p> See the source and usage info <a href="https://github.com/msurguy/ladda-bootstrap">on Github</a></p>
</div>
<div class="row">
<div class="col-md-6 col-md-offset-3 text-center">
<p>
<button class="btn btn-primary ladda-button" data-style="expand-left"><span class="ladda-label">expand-left</span></button>
<button class="btn btn-primary ladda-button" data-style="expand-right"><span class="ladda-label">expand-right</span></button>
<button class="btn btn-primary ladda-button" data-style="expand-up"><span class="ladda-label">expand-up</span></button>
<button class="btn btn-primary ladda-button" data-style="expand-down"><span class="ladda-label">expand-down</span></button>
</p>
</div>
</div>
<div class="row">
<div class="col-md-6 col-md-offset-3 text-center">
<p>
<button class="btn btn-info ladda-button" data-style="zoom-in"><span class="ladda-label">zoom-in</span></button>
<button class="btn btn-info ladda-button" data-style="zoom-out"><span class="ladda-label">zoom-out</span></button>
</p>
</div>
</div>
<div class="row">
<div class="col-md-6 col-md-offset-3 text-center">
<p>
<button class="btn btn-warning ladda-button" data-style="slide-left"><span class="ladda-label">slide-left</span></button>
<button class="btn btn-warning ladda-button" data-style="slide-right"><span class="ladda-label">slide-right</span></button>
<button class="btn btn-warning ladda-button" data-style="slide-up"><span class="ladda-label">slide-up</span></button>
<button class="btn btn-warning ladda-button" data-style="slide-down"><span class="ladda-label">slide-down</span></button>
</p>
<p><button class="btn btn-warning ladda-button" data-style="contract"><span class="ladda-label">contract</span></button></p>
</div>
</div>
<div class="row">
<div class="col-md-6 col-md-offset-3 text-center progress-demo">
<p>Built-in progress bar</p>
<p>
<button class="btn btn-danger ladda-button" data-style="expand-right"><span class="ladda-label">expand-right</span></button>
<button class="btn btn-danger ladda-button" data-style="expand-left"><span class="ladda-label">expand-left</span></button>
<button class="btn btn-danger ladda-button" data-style="contract"><span class="ladda-label">contract</span></button>
</p>
</div>
</div>
<div class="row">
<div class="col-md-6 col-md-offset-3 text-center">
<p>Sizes</p>
<p>
<button class="btn btn-primary btn-xs ladda-button" data-style="expand-right" data-size="xs"><span class="ladda-label">extra small</span></button>
<button class="btn btn-primary btn-sm ladda-button" data-style="expand-right" data-size="s"><span class="ladda-label">small</span></button>
<button class="btn btn-primary btn-lg ladda-button" data-style="expand-right" data-size="l"><span class="ladda-label">large</span></button>
</p>
</div>
</div>
</div>
/*
* Ladda
* http://lab.hakim.se/ladda
* MIT licensed
*
* Copyright (C) 2013 Hakim El Hattab, http://hakim.se
*/.ladda-button{position:relative}.ladda-button .ladda-spinner{position:absolute;z-index:2;display:inline-block;width:32px;height:32px;top:50%;margin-top:-16px;opacity:0;pointer-events:none}.ladda-button .ladda-label{position:relative;z-index:3}.ladda-button .ladda-progress{position:absolute;width:0;height:100%;left:0;top:0;background:rgba(0,0,0,0.2);visibility:hidden;opacity:0;-webkit-transition:0.1s linear all !important;-moz-transition:0.1s linear all !important;-ms-transition:0.1s linear all !important;-o-transition:0.1s linear all !important;transition:0.1s linear all !important}.ladda-button[data-loading] .ladda-progress{opacity:1;visibility:visible}.ladda-button,.ladda-button .ladda-spinner,.ladda-button .ladda-label{-webkit-transition:0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) all !important;-moz-transition:0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) all !important;-ms-transition:0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) all !important;-o-transition:0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) all !important;transition:0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) all !important}.ladda-button[data-style=zoom-in],.ladda-button[data-style=zoom-in] .ladda-spinner,.ladda-button[data-style=zoom-in] .ladda-label,.ladda-button[data-style=zoom-out],.ladda-button[data-style=zoom-out] .ladda-spinner,.ladda-button[data-style=zoom-out] .ladda-label{-webkit-transition:0.3s ease all !important;-moz-transition:0.3s ease all !important;-ms-transition:0.3s ease all !important;-o-transition:0.3s ease all !important;transition:0.3s ease all !important}.ladda-button[data-style=expand-right] .ladda-spinner{right:14px}.ladda-button[data-style=expand-right][data-size="s"] .ladda-spinner,.ladda-button[data-style=expand-right][data-size="xs"] .ladda-spinner{right:4px}.ladda-button[data-style=expand-right][data-loading]{padding-right:56px}.ladda-button[data-style=expand-right][data-loading] .ladda-spinner{opacity:1}.ladda-button[data-style=expand-right][data-loading][data-size="s"],.ladda-button[data-style=expand-right][data-loading][data-size="xs"]{padding-right:40px}.ladda-button[data-style=expand-left] .ladda-spinner{left:14px}.ladda-button[data-style=expand-left][data-size="s"] .ladda-spinner,.ladda-button[data-style=expand-left][data-size="xs"] .ladda-spinner{left:4px}.ladda-button[data-style=expand-left][data-loading]{padding-left:56px}.ladda-button[data-style=expand-left][data-loading] .ladda-spinner{opacity:1}.ladda-button[data-style=expand-left][data-loading][data-size="s"],.ladda-button[data-style=expand-left][data-loading][data-size="xs"]{padding-left:40px}.ladda-button[data-style=expand-up]{overflow:hidden}.ladda-button[data-style=expand-up] .ladda-spinner{top:-32px;left:50%;margin-left:-16px}.ladda-button[data-style=expand-up][data-loading]{padding-top:54px}.ladda-button[data-style=expand-up][data-loading] .ladda-spinner{opacity:1;top:14px;margin-top:0}.ladda-button[data-style=expand-up][data-loading][data-size="s"],.ladda-button[data-style=expand-up][data-loading][data-size="xs"]{padding-top:32px}.ladda-button[data-style=expand-up][data-loading][data-size="s"] .ladda-spinner,.ladda-button[data-style=expand-up][data-loading][data-size="xs"] .ladda-spinner{top:4px}.ladda-button[data-style=expand-down]{overflow:hidden}.ladda-button[data-style=expand-down] .ladda-spinner{top:62px;left:50%;margin-left:-16px}.ladda-button[data-style=expand-down][data-size="s"] .ladda-spinner,.ladda-button[data-style=expand-down][data-size="xs"] .ladda-spinner{top:40px}.ladda-button[data-style=expand-down][data-loading]{padding-bottom:54px}.ladda-button[data-style=expand-down][data-loading] .ladda-spinner{opacity:1}.ladda-button[data-style=expand-down][data-loading][data-size="s"],.ladda-button[data-style=expand-down][data-loading][data-size="xs"]{padding-bottom:32px}.ladda-button[data-style=slide-left]{overflow:hidden}.ladda-button[data-style=slide-left] .ladda-label{position:relative}.ladda-button[data-style=slide-left] .ladda-spinner{left:100%;margin-left:-16px}.ladda-button[data-style=slide-left][data-loading] .ladda-label{opacity:0;left:-100%}.ladda-button[data-style=slide-left][data-loading] .ladda-spinner{opacity:1;left:50%}.ladda-button[data-style=slide-right]{overflow:hidden}.ladda-button[data-style=slide-right] .ladda-label{position:relative}.ladda-button[data-style=slide-right] .ladda-spinner{right:100%;margin-left:-16px}.ladda-button[data-style=slide-right][data-loading] .ladda-label{opacity:0;left:100%}.ladda-button[data-style=slide-right][data-loading] .ladda-spinner{opacity:1;left:50%}.ladda-button[data-style=slide-up]{overflow:hidden}.ladda-button[data-style=slide-up] .ladda-label{position:relative}.ladda-button[data-style=slide-up] .ladda-spinner{left:50%;margin-left:-16px;margin-top:1em}.ladda-button[data-style=slide-up][data-loading] .ladda-label{opacity:0;top:-1em}.ladda-button[data-style=slide-up][data-loading] .ladda-spinner{opacity:1;margin-top:-16px}.ladda-button[data-style=slide-down]{overflow:hidden}.ladda-button[data-style=slide-down] .ladda-label{position:relative}.ladda-button[data-style=slide-down] .ladda-spinner{left:50%;margin-left:-16px;margin-top:-2em}.ladda-button[data-style=slide-down][data-loading] .ladda-label{opacity:0;top:1em}.ladda-button[data-style=slide-down][data-loading] .ladda-spinner{opacity:1;margin-top:-16px}.ladda-button[data-style=zoom-out]{overflow:hidden}.ladda-button[data-style=zoom-out] .ladda-spinner{left:50%;margin-left:-16px;-webkit-transform:scale(2.5);-moz-transform:scale(2.5);-ms-transform:scale(2.5);-o-transform:scale(2.5);transform:scale(2.5)}.ladda-button[data-style=zoom-out] .ladda-label{position:relative;display:inline-block}.ladda-button[data-style=zoom-out][data-loading] .ladda-label{opacity:0;-webkit-transform:scale(0.5);-moz-transform:scale(0.5);-ms-transform:scale(0.5);-o-transform:scale(0.5);transform:scale(0.5)}.ladda-button[data-style=zoom-out][data-loading] .ladda-spinner{opacity:1;-webkit-transform:none;-moz-transform:none;-ms-transform:none;-o-transform:none;transform:none}.ladda-button[data-style=zoom-in]{overflow:hidden}.ladda-button[data-style=zoom-in] .ladda-spinner{left:50%;margin-left:-16px;-webkit-transform:scale(0.2);-moz-transform:scale(0.2);-ms-transform:scale(0.2);-o-transform:scale(0.2);transform:scale(0.2)}.ladda-button[data-style=zoom-in] .ladda-label{position:relative;display:inline-block}.ladda-button[data-style=zoom-in][data-loading] .ladda-label{opacity:0;-webkit-transform:scale(2.2);-moz-transform:scale(2.2);-ms-transform:scale(2.2);-o-transform:scale(2.2);transform:scale(2.2)}.ladda-button[data-style=zoom-in][data-loading] .ladda-spinner{opacity:1;-webkit-transform:none;-moz-transform:none;-ms-transform:none;-o-transform:none;transform:none}.ladda-button[data-style=contract]{overflow:hidden;width:100px}.ladda-button[data-style=contract] .ladda-spinner{left:50%;margin-left:-16px}.ladda-button[data-style=contract][data-loading]{border-radius:50%;width:52px}.ladda-button[data-style=contract][data-loading] .ladda-label{opacity:0}.ladda-button[data-style=contract][data-loading] .ladda-spinner{opacity:1}.ladda-button[data-style=contract-overlay]{overflow:hidden;width:100px;box-shadow:0px 0px 0px 3000px rgba(0,0,0,0)}.ladda-button[data-style=contract-overlay] .ladda-spinner{left:50%;margin-left:-16px}.ladda-button[data-style=contract-overlay][data-loading]{border-radius:50%;width:52px;box-shadow:0px 0px 0px 3000px rgba(0,0,0,0.8)}.ladda-button[data-style=contract-overlay][data-loading] .ladda-label{opacity:0}.ladda-button[data-style=contract-overlay][data-loading] .ladda-spinner{opacity:1}
// Spin.min.js
//fgnass.github.com/spin.js#v1.3.3
!function(a,b){"object"==typeof exports?module.exports=b():"function"==typeof define&&define.amd?define(b):a.Spinner=b()}(this,function(){"use strict";function a(a,b){var c,d=document.createElement(a||"div");for(c in b)d[c]=b[c];return d}function b(a){for(var b=1,c=arguments.length;c>b;b++)a.appendChild(arguments[b]);return a}function c(a,b,c,d){var e=["opacity",b,~~(100*a),c,d].join("-"),f=.01+c/d*100,g=Math.max(1-(1-a)/b*(100-f),a),h=k.substring(0,k.indexOf("Animation")).toLowerCase(),i=h&&"-"+h+"-"||"";return m[e]||(n.insertRule("@"+i+"keyframes "+e+"{0%{opacity:"+g+"}"+f+"%{opacity:"+a+"}"+(f+.01)+"%{opacity:1}"+(f+b)%100+"%{opacity:"+a+"}100%{opacity:"+g+"}}",n.cssRules.length),m[e]=1),e}function d(a,b){var c,d,e=a.style;for(b=b.charAt(0).toUpperCase()+b.slice(1),d=0;d<l.length;d++)if(c=l[d]+b,void 0!==e[c])return c;return void 0!==e[b]?b:void 0}function e(a,b){for(var c in b)a.style[d(a,c)||c]=b[c];return a}function f(a){for(var b=1;b<arguments.length;b++){var c=arguments[b];for(var d in c)void 0===a[d]&&(a[d]=c[d])}return a}function g(a){for(var b={x:a.offsetLeft,y:a.offsetTop};a=a.offsetParent;)b.x+=a.offsetLeft,b.y+=a.offsetTop;return b}function h(a,b){return"string"==typeof a?a:a[b%a.length]}function i(a){return"undefined"==typeof this?new i(a):(this.opts=f(a||{},i.defaults,o),void 0)}function j(){function c(b,c){return a("<"+b+' xmlns="urn:schemas-microsoft.com:vml" class="spin-vml">',c)}n.addRule(".spin-vml","behavior:url(#default#VML)"),i.prototype.lines=function(a,d){function f(){return e(c("group",{coordsize:k+" "+k,coordorigin:-j+" "+-j}),{width:k,height:k})}function g(a,g,i){b(m,b(e(f(),{rotation:360/d.lines*a+"deg",left:~~g}),b(e(c("roundrect",{arcsize:d.corners}),{width:j,height:d.width,left:d.radius,top:-d.width>>1,filter:i}),c("fill",{color:h(d.color,a),opacity:d.opacity}),c("stroke",{opacity:0}))))}var i,j=d.length+d.width,k=2*j,l=2*-(d.width+d.length)+"px",m=e(f(),{position:"absolute",top:l,left:l});if(d.shadow)for(i=1;i<=d.lines;i++)g(i,-2,"progid:DXImageTransform.Microsoft.Blur(pixelradius=2,makeshadow=1,shadowopacity=.3)");for(i=1;i<=d.lines;i++)g(i);return b(a,m)},i.prototype.opacity=function(a,b,c,d){var e=a.firstChild;d=d.shadow&&d.lines||0,e&&b+d<e.childNodes.length&&(e=e.childNodes[b+d],e=e&&e.firstChild,e=e&&e.firstChild,e&&(e.opacity=c))}}var k,l=["webkit","Moz","ms","O"],m={},n=function(){var c=a("style",{type:"text/css"});return b(document.getElementsByTagName("head")[0],c),c.sheet||c.styleSheet}(),o={lines:12,length:7,width:5,radius:10,rotate:0,corners:1,color:"#000",direction:1,speed:1,trail:100,opacity:.25,fps:20,zIndex:2e9,className:"spinner",top:"auto",left:"auto",position:"relative"};i.defaults={},f(i.prototype,{spin:function(b){this.stop();var c,d,f=this,h=f.opts,i=f.el=e(a(0,{className:h.className}),{position:h.position,width:0,zIndex:h.zIndex}),j=h.radius+h.length+h.width;if(b&&(b.insertBefore(i,b.firstChild||null),d=g(b),c=g(i),e(i,{left:("auto"==h.left?d.x-c.x+(b.offsetWidth>>1):parseInt(h.left,10)+j)+"px",top:("auto"==h.top?d.y-c.y+(b.offsetHeight>>1):parseInt(h.top,10)+j)+"px"})),i.setAttribute("role","progressbar"),f.lines(i,f.opts),!k){var l,m=0,n=(h.lines-1)*(1-h.direction)/2,o=h.fps,p=o/h.speed,q=(1-h.opacity)/(p*h.trail/100),r=p/h.lines;!function s(){m++;for(var a=0;a<h.lines;a++)l=Math.max(1-(m+(h.lines-a)*r)%p*q,h.opacity),f.opacity(i,a*h.direction+n,l,h);f.timeout=f.el&&setTimeout(s,~~(1e3/o))}()}return f},stop:function(){var a=this.el;return a&&(clearTimeout(this.timeout),a.parentNode&&a.parentNode.removeChild(a),this.el=void 0),this},lines:function(d,f){function g(b,c){return e(a(),{position:"absolute",width:f.length+f.width+"px",height:f.width+"px",background:b,boxShadow:c,transformOrigin:"left",transform:"rotate("+~~(360/f.lines*j+f.rotate)+"deg) translate("+f.radius+"px,0)",borderRadius:(f.corners*f.width>>1)+"px"})}for(var i,j=0,l=(f.lines-1)*(1-f.direction)/2;j<f.lines;j++)i=e(a(),{position:"absolute",top:1+~(f.width/2)+"px",transform:f.hwaccel?"translate3d(0,0,0)":"",opacity:f.opacity,animation:k&&c(f.opacity,f.trail,l+j*f.direction,f.lines)+" "+1/f.speed+"s linear infinite"}),f.shadow&&b(i,e(g("#000","0 0 4px #000"),{top:"2px"})),b(d,b(i,g(h(f.color,j),"0 0 1px rgba(0,0,0,.1)")));return d},opacity:function(a,b,c){b<a.childNodes.length&&(a.childNodes[b].style.opacity=c)}});var p=e(a("group"),{behavior:"url(#default#VML)"});return!d(p,"transform")&&p.adj?j():k=d(p,"animation"),i});
/*!
* Ladda 0.8.0 (2013-09-05, 18:54)
* http://lab.hakim.se/ladda
* MIT licensed
*
* Copyright (C) 2013 Hakim El Hattab, http://hakim.se
*/
(function(t,e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define(["spin"],e):t.Ladda=e(t.Spinner)})(this,function(t){"use strict";function e(t){if(t===void 0)return console.warn("Ladda button target must be defined."),void 0;t.querySelector(".ladda-label")||(t.innerHTML='<span class="ladda-label">'+t.innerHTML+"</span>");var e=i(t),n=document.createElement("span");n.className="ladda-spinner",t.appendChild(n);var r,a={start:function(){return t.setAttribute("disabled",""),t.setAttribute("data-loading",""),clearTimeout(r),e.spin(n),this.setProgress(0),this},startAfter:function(t){return clearTimeout(r),r=setTimeout(function(){a.start()},t),this},stop:function(){return t.removeAttribute("disabled"),t.removeAttribute("data-loading"),clearTimeout(r),r=setTimeout(function(){e.stop()},1e3),this},toggle:function(){return this.isLoading()?this.stop():this.start(),this},setProgress:function(e){e=Math.max(Math.min(e,1),0);var n=t.querySelector(".ladda-progress");0===e&&n&&n.parentNode?n.parentNode.removeChild(n):(n||(n=document.createElement("div"),n.className="ladda-progress",t.appendChild(n)),n.style.width=(e||0)*t.offsetWidth+"px")},enable:function(){return this.stop(),this},disable:function(){return this.stop(),t.setAttribute("disabled",""),this},isLoading:function(){return t.hasAttribute("data-loading")}};return o.push(a),a}function n(t,n){n=n||{};var r=[];"string"==typeof t?r=a(document.querySelectorAll(t)):"object"==typeof t&&"string"==typeof t.nodeName&&(r=[t]);for(var i=0,o=r.length;o>i;i++)(function(){var t=r[i];if("function"==typeof t.addEventListener){var a=e(t),o=-1;t.addEventListener("click",function(){a.startAfter(1),"number"==typeof n.timeout&&(clearTimeout(o),o=setTimeout(a.stop,n.timeout)),"function"==typeof n.callback&&n.callback.apply(null,[a])},!1)}})()}function r(){for(var t=0,e=o.length;e>t;t++)o[t].stop()}function i(e){var n,r=e.offsetHeight;r>32&&(r*=.8),e.hasAttribute("data-spinner-size")&&(r=parseInt(e.getAttribute("data-spinner-size"),10)),e.hasAttribute("data-spinner-color")&&(n=e.getAttribute("data-spinner-color"));var i=12,a=.2*r,o=.6*a,s=7>a?2:3;return new t({color:n||"#fff",lines:i,radius:a,length:o,width:s,zIndex:"auto",top:"auto",left:"auto",className:""})}function a(t){for(var e=[],n=0;t.length>n;n++)e.push(t[n]);return e}var o=[];return{bind:n,create:e,stopAll:r}});
// Bind normal buttons
Ladda.bind( 'div:not(.progress-demo) button', { timeout: 2000 } );
// Bind progress buttons and simulate loading progress
Ladda.bind( '.progress-demo button', {
callback: function( instance ) {
var progress = 0;
var interval = setInterval( function() {
progress = Math.min( progress + Math.random() * 0.1, 1 );
instance.setProgress( progress );
if( progress === 1 ) {
instance.stop();
clearInterval( interval );
}
}, 200 );
}
} );
// You can control loading explicitly using the JavaScript API
// as outlined below:
// var l = Ladda.create( document.querySelector( 'button' ) );
// l.start();
// l.stop();
// l.toggle();
// l.isLoading();
// l.setProgress( 0-1 );
