<!DOCTYPE html>
<html lang="en" class="fuelux">
<head>
<meta charset="utf-8">
<title>Require</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="ladda.css" rel="stylesheet">
<style type="text/css">
body {
padding-bottom: 200px;
}
</style>
</head>
<body>
<div class="container">
<section>
<button class="ladda-button blue slide-right"><span class="ladda-label">Submit</span><span class="ladda-spinner"></span></button>
</section>
<section>
<button class="ladda-button blue slide-right"><span class="ladda-label">Submit</span><span class="ladda-spinner"></span></button>
</section>
</div>
<script src="//requirejs.org/docs/release/2.1.6/minified/require.js"></script>
<script>
//https://github.com/requirejs/example-jquery-cdn
requirejs.config({
//"baseUrl": "js/lib",
enforceDefine: true,
"paths": {
"jquery": "//ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min",
"spin": "spin",
"ladda": "ladda"
},
shim: {
"spin": {exports: "Spinner"},
"ladda": {
depends: "spin",
exports: "Ladda"
},
}
});
// Load the main app module to start the app
requirejs(["app"]);
</script>
</body>
</html>
define(["jquery",'ladda','spin'], function($,ladda) {
//the jquery.alpha.js and jquery.beta.js plugins have been loaded.
$(function() {
console.log("$: " + typeof $);
console.log("ladda: " + typeof Ladda);
console.log("spin: " + typeof Spinner);
Ladda.bind($('button')[0]); //don't work ????????????
//return;
//Ladda.create('.ladda-button');
var l = Ladda.create($('button')[1]);
l.start();
// Will display a progress bar for 50% of the button width
l.setProgress( 5 );
// Stop loading
l.stop();
// Toggle between loading/not loading states
l.toggle();
// Check the current state
l.isLoading();
});
});
/*!
* Ladda
* http://lab.hakim.se/ladda
* MIT licensed
*
* Copyright (C) 2013 Hakim El Hattab, http://hakim.se
*/
/*************************************
* BUTTON BASE
*/
.ladda-button {
position: relative;
background: none;
border: 0;
padding: 0.8em 1em;
font-size: 1.3em;
cursor: pointer;
overflow: hidden;
-webkit-appearance: none;
-webkit-font-smoothing: antialiased;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.ladda-button[data-loading] {
cursor: default;
}
/* Green button */
.ladda-button.green {
background: #2aca76;
color: #fff;
border-radius: 2px;
border: 1px solid transparent;
}
.ladda-button.green:hover {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #2fe688;
}
.ladda-button.green[data-loading] {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #999;
}
/* Blue button */
.ladda-button.blue {
background: #53b5e6;
color: #fff;
border-radius: 2px;
border: 1px solid transparent;
}
.ladda-button.blue:hover {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #58c2f8;
}
.ladda-button.blue[data-loading] {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #999;
}
/* Red button */
.ladda-button.red {
background: #ea8557;
color: #fff;
border-radius: 2px;
border: 1px solid transparent;
}
.ladda-button.red:hover {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #ffa96c;
}
.ladda-button.red[data-loading] {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #999;
}
/* Purple button */
.ladda-button.purple {
background: #9973C2;
color: #fff;
border-radius: 2px;
border: 1px solid transparent;
}
.ladda-button.purple:hover {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #b084df;
}
.ladda-button.purple[data-loading] {
border-color: rgba( 0, 0, 0, 0.07 );
background-color: #999;
}
/* Spinner animation */
.ladda-button .ladda-spinner {
position: absolute;
z-index: 2;
display: inline-block;
width: 32px;
height: 32px;
top: 50%;
margin-top: -16px;
opacity: 0;
}
/* Button label */
.ladda-button .ladda-label {
position: relative;
z-index: 3;
}
/* Progress bar */
.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;
-moz-transition: 0.1s linear all;
-ms-transition: 0.1s linear all;
transition: 0.1s linear all;
}
.ladda-button[data-loading] .ladda-progress {
opacity: 1;
visibility: visible;
}
/*************************************
* EASING
*/
.ladda-button,
.ladda-button .ladda-spinner,
.ladda-button .ladda-label {
-webkit-transition: 0.3s cubic-bezier(0.175, 0.885, 0.320, 1.275) all;
-moz-transition: 0.3s cubic-bezier(0.175, 0.885, 0.320, 1.275) all;
-ms-transition: 0.3s cubic-bezier(0.175, 0.885, 0.320, 1.275) all;
transition: 0.3s cubic-bezier(0.175, 0.885, 0.320, 1.275) all;
}
.ladda-button.zoom-in,
.ladda-button.zoom-in .ladda-spinner,
.ladda-button.zoom-in .ladda-label,
.ladda-button.zoom-out,
.ladda-button.zoom-out .ladda-spinner,
.ladda-button.zoom-out .ladda-label {
-webkit-transition: 0.3s ease all;
-moz-transition: 0.3s ease all;
-ms-transition: 0.3s ease all;
transition: 0.3s ease all;
}
/*************************************
* EXPAND LEFT
*/
.ladda-button.expand-right .ladda-spinner {
right: 0.8em;
}
.ladda-button.expand-right[data-loading] {
padding-right: 56px;
}
.ladda-button.expand-right[data-loading] .ladda-spinner {
opacity: 1;
}
/*************************************
* EXPAND RIGHT
*/
.ladda-button.expand-left .ladda-spinner {
left: 0.8em;
}
.ladda-button.expand-left[data-loading] {
padding-left: 56px;
}
.ladda-button.expand-left[data-loading] .ladda-spinner {
opacity: 1;
}
/*************************************
* EXPAND UP
*/
.ladda-button.expand-up {
overflow: hidden;
}
.ladda-button.expand-up .ladda-spinner {
top: -32px;
left: 50%;
margin-left: -16px;
}
.ladda-button.expand-up[data-loading] {
padding-top: 3em;
}
.ladda-button.expand-up[data-loading] .ladda-spinner {
opacity: 1;
top: 0.8em;
margin-top: 0;
}
/*************************************
* EXPAND DOWN
*/
.ladda-button.expand-down {
overflow: hidden;
}
.ladda-button.expand-down .ladda-spinner {
top: 3.3em;
left: 50%;
margin-left: -16px;
}
.ladda-button.expand-down[data-loading] {
padding-bottom: 3em;
}
.ladda-button.expand-down[data-loading] .ladda-spinner {
opacity: 1;
}
/*************************************
* SLIDE LEFT
*/
.ladda-button.slide-left {
overflow: hidden;
}
.ladda-button.slide-left .ladda-label {
position: relative;
}
.ladda-button.slide-left .ladda-spinner {
left: 100%;
margin-left: -16px;
}
.ladda-button.slide-left[data-loading] .ladda-label {
opacity: 0;
left: -100%;
}
.ladda-button.slide-left[data-loading] .ladda-spinner {
opacity: 1;
left: 50%;
}
/*************************************
* SLIDE RIGHT
*/
.ladda-button.slide-right {
overflow: hidden;
}
.ladda-button.slide-right .ladda-label {
position: relative;
}
.ladda-button.slide-right .ladda-spinner {
right: 100%;
margin-left: -16px;
}
.ladda-button.slide-right[data-loading] .ladda-label {
opacity: 0;
left: 100%;
}
.ladda-button.slide-right[data-loading] .ladda-spinner {
opacity: 1;
left: 50%;
}
/*************************************
* SLIDE UP
*/
.ladda-button.slide-up {
overflow: hidden;
}
.ladda-button.slide-up .ladda-label {
position: relative;
}
.ladda-button.slide-up .ladda-spinner {
left: 50%;
margin-left: -16px;
margin-top: 1em;
}
.ladda-button.slide-up[data-loading] .ladda-label {
opacity: 0;
top: -1em;
}
.ladda-button.slide-up[data-loading] .ladda-spinner {
opacity: 1;
margin-top: -16px;
}
/*************************************
* SLIDE DOWN
*/
.ladda-button.slide-down {
overflow: hidden;
}
.ladda-button.slide-down .ladda-label {
position: relative;
}
.ladda-button.slide-down .ladda-spinner {
left: 50%;
margin-left: -16px;
margin-top: -2em;
}
.ladda-button.slide-down[data-loading] .ladda-label {
opacity: 0;
top: 1em;
}
.ladda-button.slide-down[data-loading] .ladda-spinner {
opacity: 1;
margin-top: -16px;
}
/*************************************
* ZOOM-OUT
*/
.ladda-button.zoom-out {
overflow: hidden;
}
.ladda-button.zoom-out .ladda-spinner {
left: 50%;
margin-left: -16px;
-webkit-transform: scale( 2.5 );
-moz-transform: scale( 2.5 );
-ms-transform: scale( 2.5 );
transform: scale( 2.5 );
}
.ladda-button.zoom-out .ladda-label {
position: relative;
display: inline-block;
}
.ladda-button.zoom-out[data-loading] .ladda-label {
opacity: 0;
-webkit-transform: scale( 0.5 );
-moz-transform: scale( 0.5 );
-ms-transform: scale( 0.5 );
transform: scale( 0.5 );
}
.ladda-button.zoom-out[data-loading] .ladda-spinner {
opacity: 1;
-webkit-transform: none;
-moz-transform: none;
-ms-transform: none;
transform: none;
}
/*************************************
* ZOOM-IN
*/
.ladda-button.zoom-in {
overflow: hidden;
}
.ladda-button.zoom-in .ladda-spinner {
left: 50%;
margin-left: -16px;
-webkit-transform: scale( 0.2 );
-moz-transform: scale( 0.2 );
-ms-transform: scale( 0.2 );
transform: scale( 0.2 );
}
.ladda-button.zoom-in .ladda-label {
position: relative;
display: inline-block;
}
.ladda-button.zoom-in[data-loading] .ladda-label {
opacity: 0;
-webkit-transform: scale( 2.2 );
-moz-transform: scale( 2.2 );
-ms-transform: scale( 2.2 );
transform: scale( 2.2 );
}
.ladda-button.zoom-in[data-loading] .ladda-spinner {
opacity: 1;
-webkit-transform: none;
-moz-transform: none;
-ms-transform: none;
transform: none;
}
/*************************************
* CONTRACt
*/
.ladda-button.contract {
overflow: hidden;
width: 100px;
}
.ladda-button.contract .ladda-spinner {
left: 50%;
margin-left: -16px;
}
.ladda-button.contract[data-loading] {
border-radius: 50%;
width: 52px;
}
.ladda-button.contract[data-loading] .ladda-label {
opacity: 0;
}
.ladda-button.contract[data-loading] .ladda-spinner {
opacity: 1;
}
/*************************************
* OVERLAY
*/
.ladda-button.contract-overlay {
overflow: hidden;
width: 100px;
box-shadow: 0px 0px 0px 3000px rgba(0,0,0,0);
}
.ladda-button.contract-overlay .ladda-spinner {
left: 50%;
margin-left: -16px;
}
.ladda-button.contract-overlay[data-loading] {
border-radius: 50%;
width: 52px;
/*outline: 10000px solid rgba( 0, 0, 0, 0.5 );*/
box-shadow: 0px 0px 0px 3000px rgba(0,0,0,0.8);
}
.ladda-button.contract-overlay[data-loading] .ladda-label {
opacity: 0;
}
.ladda-button.contract-overlay[data-loading] .ladda-spinner {
opacity: 1;
}
/*!
* Ladda 0.3.0
* http://lab.hakim.se/ladda
* MIT licensed
*
* Copyright (C) 2013 Hakim El Hattab, http://hakim.se
*/
window.Ladda =(function() {
var ALL_INSTANCES = [];
/**
* Creates a new instance of Ladda which wraps the
* target button element.
*
* @return An API object that can be used to control
* the loading animation state.
*/
function create( button ) {
if( typeof button === 'undefined' ) {
throw "Button target must be defined.";
}
// Create the spinner
var spinner = new Spinner( {
color: '#fff',
lines: 12,
radius: 8,
length: 5,
width: 3,
zIndex: 'initial',
top: 'auto',
left: 'auto',
className: ''
} );
// Wrapper element for the spinner
var spinnerWrapper = document.createElement( 'span' );
spinnerWrapper.className = 'ladda-spinner';
button.appendChild( spinnerWrapper );
// Timeout used to delay stopping of the spin animation
var spinnerTimeout;
var instance = {
start: function() {
button.setAttribute( 'disabled', '' );
button.setAttribute( 'data-loading', '' );
clearTimeout( spinnerTimeout );
spinner.spin( spinnerWrapper );
this.setProgress( 0 );
return this; // chain
},
stop: function() {
button.removeAttribute( 'disabled', '' );
button.removeAttribute( 'data-loading' );
// Kill the animation after a delay to make sure it
// runs for the duration of the button transition
clearTimeout( spinnerTimeout );
spinnerTimeout = setTimeout( function() { spinner.stop(); }, 1000 );
return this; // chain
},
toggle: function() {
if( this.isLoading() ) {
this.stop();
}
else {
this.start();
}
return this; // chain
},
setProgress: function( progress ) {
var progressElement = button.querySelector( '.ladda-progress' );
// Remove the progress bar if we're at 0 progress
if( progress === 0 && progressElement && progressElement.parentNode ) {
progressElement.parentNode.removeChild( progressElement );
}
else {
if( !progressElement ) {
progressElement = document.createElement( 'div' );
progressElement.className = 'ladda-progress';
button.appendChild( progressElement );
}
progressElement.style.width = ( ( progress || 0 ) * button.offsetWidth ) + 'px';
}
},
isLoading: function() {
return button.hasAttribute( 'data-loading' );
}
};
ALL_INSTANCES.push( instance );
return instance;
}
/**
* Binds the target buttons to automatically enter the
* loading state when clicked.
*
* @param target Either an HTML element or a CSS selector.
* @param options
* - timeout Number of milliseconds to wait before
* automatically cancelling the animation.
*/
function bind( target, options ) {
options = options || {};
var targets = [];
if( typeof target === 'string' ) {
targets = [].slice.call( document.querySelectorAll( target ) );
}
else if( typeof target === 'object' && typeof target.nodeName === 'string' ) {
targets = [ targets ];
}
for( var i = 0, len = targets.length; i < len; i++ ) {
(function() {
var element = targets[i];
// Make sure we're working with a DOM element
if( typeof element.addEventListener === 'function' ) {
var instance = Ladda.create( element );
var timeout = -1;
element.addEventListener( 'click', function() {
instance.start();
// Set a loading timeout if one is specified
if( typeof options.timeout === 'number' ) {
clearTimeout( timeout );
timeout = setTimeout( instance.stop, options.timeout );
}
// Invoke callbacks
if( typeof options.callback === 'function' ) {
options.callback.apply( null, [ instance ] );
}
}, false );
}
})();
}
}
/**
* Stops ALL current loading animations.
*/
function stopAll() {
for( var i = 0, len = ALL_INSTANCES.length; i < len; i++ ) {
ALL_INSTANCES[i].stop();
}
}
// Public API
return {
bind: bind,
create: create,
stopAll: stopAll
}
})();
//fgnass.github.com/spin.js#v1.3
/**
* Copyright (c) 2011-2013 Felix Gnass
* Licensed under the MIT license
*/
window.Spinner =(function() {
"use strict";
var prefixes = ['webkit', 'Moz', 'ms', 'O'] /* Vendor prefixes */
, animations = {} /* Animation rules keyed by their name */
, useCssAnimations /* Whether to use CSS animations or setTimeout */
/**
* Utility function to create elements. If no tag name is given,
* a DIV is created. Optionally properties can be passed.
*/
function createEl(tag, prop) {
var el = document.createElement(tag || 'div')
, n
for(n in prop) el[n] = prop[n]
return el
}
/**
* Appends children and returns the parent.
*/
function ins(parent /* child1, child2, ...*/) {
for (var i=1, n=arguments.length; i<n; i++)
parent.appendChild(arguments[i])
return parent
}
/**
* Insert a new stylesheet to hold the @keyframe or VML rules.
*/
var sheet = (function() {
var el = createEl('style', {type : 'text/css'})
ins(document.getElementsByTagName('head')[0], el)
return el.sheet || el.styleSheet
}())
/**
* Creates an opacity keyframe animation rule and returns its name.
* Since most mobile Webkits have timing issues with animation-delay,
* we create separate rules for each line/segment.
*/
function addAnimation(alpha, trail, i, lines) {
var name = ['opacity', trail, ~~(alpha*100), i, lines].join('-')
, start = 0.01 + i/lines * 100
, z = Math.max(1 - (1-alpha) / trail * (100-start), alpha)
, prefix = useCssAnimations.substring(0, useCssAnimations.indexOf('Animation')).toLowerCase()
, pre = prefix && '-' + prefix + '-' || ''
if (!animations[name]) {
sheet.insertRule(
'@' + pre + 'keyframes ' + name + '{' +
'0%{opacity:' + z + '}' +
start + '%{opacity:' + alpha + '}' +
(start+0.01) + '%{opacity:1}' +
(start+trail) % 100 + '%{opacity:' + alpha + '}' +
'100%{opacity:' + z + '}' +
'}', sheet.cssRules.length)
animations[name] = 1
}
return name
}
/**
* Tries various vendor prefixes and returns the first supported property.
*/
function vendor(el, prop) {
var s = el.style
, pp
, i
if(s[prop] !== undefined) return prop
prop = prop.charAt(0).toUpperCase() + prop.slice(1)
for(i=0; i<prefixes.length; i++) {
pp = prefixes[i]+prop
if(s[pp] !== undefined) return pp
}
}
/**
* Sets multiple style properties at once.
*/
function css(el, prop) {
for (var n in prop)
el.style[vendor(el, n)||n] = prop[n]
return el
}
/**
* Fills in default values.
*/
function merge(obj) {
for (var i=1; i < arguments.length; i++) {
var def = arguments[i]
for (var n in def)
if (obj[n] === undefined) obj[n] = def[n]
}
return obj
}
/**
* Returns the absolute page-offset of the given element.
*/
function pos(el) {
var o = { x:el.offsetLeft, y:el.offsetTop }
while((el = el.offsetParent))
o.x+=el.offsetLeft, o.y+=el.offsetTop
return o
}
// Built-in defaults
var defaults = {
lines: 12, // The number of lines to draw
length: 7, // The length of each line
width: 5, // The line thickness
radius: 10, // The radius of the inner circle
rotate: 0, // Rotation offset
corners: 1, // Roundness (0..1)
color: '#000', // #rgb or #rrggbb
direction: 1, // 1: clockwise, -1: counterclockwise
speed: 1, // Rounds per second
trail: 100, // Afterglow percentage
opacity: 1/4, // Opacity of the lines
fps: 20, // Frames per second when using setTimeout()
zIndex: 2e9, // Use a high z-index by default
className: 'spinner', // CSS class to assign to the element
top: 'auto', // center vertically
left: 'auto', // center horizontally
position: 'relative' // element position
}
/** The constructor */
function Spinner(o) {
if (typeof this == 'undefined') return new Spinner(o)
this.opts = merge(o || {}, Spinner.defaults, defaults)
}
// Global defaults that override the built-ins:
Spinner.defaults = {}
merge(Spinner.prototype, {
/**
* Adds the spinner to the given target element. If this instance is already
* spinning, it is automatically removed from its previous target b calling
* stop() internally.
*/
spin: function(target) {
this.stop()
var self = this
, o = self.opts
, el = self.el = css(createEl(0, {className: o.className}), {position: o.position, width: 0, zIndex: o.zIndex})
, mid = o.radius+o.length+o.width
, ep // element position
, tp // target position
if (target) {
target.insertBefore(el, target.firstChild||null)
tp = pos(target)
ep = pos(el)
css(el, {
left: (o.left == 'auto' ? tp.x-ep.x + (target.offsetWidth >> 1) : parseInt(o.left, 10) + mid) + 'px',
top: (o.top == 'auto' ? tp.y-ep.y + (target.offsetHeight >> 1) : parseInt(o.top, 10) + mid) + 'px'
})
}
el.setAttribute('role', 'progressbar')
self.lines(el, self.opts)
if (!useCssAnimations) {
// No CSS animation support, use setTimeout() instead
var i = 0
, start = (o.lines - 1) * (1 - o.direction) / 2
, alpha
, fps = o.fps
, f = fps/o.speed
, ostep = (1-o.opacity) / (f*o.trail / 100)
, astep = f/o.lines
;(function anim() {
i++;
for (var j = 0; j < o.lines; j++) {
alpha = Math.max(1 - (i + (o.lines - j) * astep) % f * ostep, o.opacity)
self.opacity(el, j * o.direction + start, alpha, o)
}
self.timeout = self.el && setTimeout(anim, ~~(1000/fps))
})()
}
return self
},
/**
* Stops and removes the Spinner.
*/
stop: function() {
var el = this.el
if (el) {
clearTimeout(this.timeout)
if (el.parentNode) el.parentNode.removeChild(el)
this.el = undefined
}
return this
},
/**
* Internal method that draws the individual lines. Will be overwritten
* in VML fallback mode below.
*/
lines: function(el, o) {
var i = 0
, start = (o.lines - 1) * (1 - o.direction) / 2
, seg
function fill(color, shadow) {
return css(createEl(), {
position: 'absolute',
width: (o.length+o.width) + 'px',
height: o.width + 'px',
background: color,
boxShadow: shadow,
transformOrigin: 'left',
transform: 'rotate(' + ~~(360/o.lines*i+o.rotate) + 'deg) translate(' + o.radius+'px' +',0)',
borderRadius: (o.corners * o.width>>1) + 'px'
})
}
for (; i < o.lines; i++) {
seg = css(createEl(), {
position: 'absolute',
top: 1+~(o.width/2) + 'px',
transform: o.hwaccel ? 'translate3d(0,0,0)' : '',
opacity: o.opacity,
animation: useCssAnimations && addAnimation(o.opacity, o.trail, start + i * o.direction, o.lines) + ' ' + 1/o.speed + 's linear infinite'
})
if (o.shadow) ins(seg, css(fill('#000', '0 0 4px ' + '#000'), {top: 2+'px'}))
ins(el, ins(seg, fill(o.color, '0 0 1px rgba(0,0,0,.1)')))
}
return el
},
/**
* Internal method that adjusts the opacity of a single line.
* Will be overwritten in VML fallback mode below.
*/
opacity: function(el, i, val) {
if (i < el.childNodes.length) el.childNodes[i].style.opacity = val
}
})
function initVML() {
/* Utility function to create a VML tag */
function vml(tag, attr) {
return createEl('<' + tag + ' xmlns="urn:schemas-microsoft.com:vml" class="spin-vml">', attr)
}
// No CSS transforms but VML support, add a CSS rule for VML elements:
sheet.addRule('.spin-vml', 'behavior:url(#default#VML)')
Spinner.prototype.lines = function(el, o) {
var r = o.length+o.width
, s = 2*r
function grp() {
return css(
vml('group', {
coordsize: s + ' ' + s,
coordorigin: -r + ' ' + -r
}),
{ width: s, height: s }
)
}
var margin = -(o.width+o.length)*2 + 'px'
, g = css(grp(), {position: 'absolute', top: margin, left: margin})
, i
function seg(i, dx, filter) {
ins(g,
ins(css(grp(), {rotation: 360 / o.lines * i + 'deg', left: ~~dx}),
ins(css(vml('roundrect', {arcsize: o.corners}), {
width: r,
height: o.width,
left: o.radius,
top: -o.width>>1,
filter: filter
}),
vml('fill', {color: o.color, opacity: o.opacity}),
vml('stroke', {opacity: 0}) // transparent stroke to fix color bleeding upon opacity change
)
)
)
}
if (o.shadow)
for (i = 1; i <= o.lines; i++)
seg(i, -2, 'progid:DXImageTransform.Microsoft.Blur(pixelradius=2,makeshadow=1,shadowopacity=.3)')
for (i = 1; i <= o.lines; i++) seg(i)
return ins(el, g)
}
Spinner.prototype.opacity = function(el, i, val, o) {
var c = el.firstChild
o = o.shadow && o.lines || 0
if (c && i+o < c.childNodes.length) {
c = c.childNodes[i+o]; c = c && c.firstChild; c = c && c.firstChild
if (c) c.opacity = val
}
}
}
var probe = css(createEl('group'), {behavior: 'url(#default#VML)'})
if (!vendor(probe, 'transform') && probe.adj) initVML()
else useCssAnimations = vendor(probe, 'animation')
return Spinner
})();