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jquery.transition.js
870 lines (724 loc) · 25 KB
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jquery.transition.js
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/* Cases where transition is disabled:
* - in incompatible browsers (Opera 11 included)
* - when the animated object is not an element
* - when there is a special easing
* - when there is a step function
* - when jQuery.fx.off is true (should work out of the box)
*
* jQuery.fx.stop() will stop animations instead of pausing them (undocumented method and behavior anyway).
*/
(function( jQuery ) {
var elemdisplay = {},
iframe, iframeDoc,
rfxtypes = /^(?:toggle|show|hide)$/,
rfxnum = /^([+\-]=)?([\d+.\-]+)([a-z%]*)$/i,
//rMarginProp = /^margin/,
timerId,
/*fxAttrs = [
// height animations
[ "height", "marginTop", "marginBottom", "paddingTop", "paddingBottom" ],
// width animations
[ "width", "marginLeft", "marginRight", "paddingLeft", "paddingRight" ],
// opacity animations
[ "opacity" ]
],*/
fxNow;
// ++TRANSITION++
// Following feature test code should be moved to support.js
var div = document.createElement( "div" ),
divStyle = div.style,
trans = "Transition",
_cubicBezier = "cubic-bezier(",
easingTable;
// Only test for transition support in Firefox and Webkit
// as we know for sure that Opera has too much bugs (see http://csstransition.net)
// and there's no guarantee that first IE implementation will be bug-free
jQuery.support.transition =
"Moz" + trans in divStyle ? "Moz" + trans :
"Webkit" + trans in divStyle ? "Webkit" + trans :
false;
// Following declarations should be moved to css.js
jQuery.cssNumber.color = jQuery.cssNumber.backgroundColor = true;
// Translation table from "jQuery easings" to "transition timing functions"
easingTable = {
linear: "linear",
swing: "ease-out",
bounce: _cubicBezier + "0,.35,.5,1.3)",
// Penner equation approximations from Matthew Lein's Ceaser: http://matthewlein.com/ceaser/
easeInQuad: _cubicBezier + ".55,.085,.68,.53)",
easeInCubic: _cubicBezier + ".55,.055,.675,.19)",
easeInQuart: _cubicBezier + ".895,.03,.685,.22)",
easeInQuint: _cubicBezier + ".755,.05,.855,.06)",
easeInSine: _cubicBezier + ".47,0,.745,.715)",
easeInExpo: _cubicBezier + ".95,.05,.795,.035)",
easeInCirc: _cubicBezier + ".6,.04,.98,.335)",
easeOutQuad: _cubicBezier + ".25,.46,.45,.94)",
easeOutCubic: _cubicBezier + ".215,.61,.355,1)",
easeOutQuart: _cubicBezier + ".165,.84,.44,1)",
easeOutQuint: _cubicBezier + ".23,1,.32,1)",
easeOutSine: _cubicBezier + ".39,.575,.565,1)",
easeOutExpo: _cubicBezier + ".19,1,.22,1)",
easeOutCirc: _cubicBezier + ".075,.82,.165,1)",
easeInOutQuad: _cubicBezier + ".455,.03,.515,.955)",
easeInOutCubic: _cubicBezier + ".645,.045,.355,1)",
easeInOutQuart: _cubicBezier + ".77,0,.175,1)",
easeInOutQuint: _cubicBezier + ".86,0,.07,1)",
easeInOutSine: _cubicBezier + ".445,.05,.55,.95)",
easeInOutExpo: _cubicBezier + "1,0,0,1)",
easeInOutCirc: _cubicBezier + ".785,.135,.15,.86)"
};
jQuery.fn.extend({
/*show: function( speed, easing, callback ) {
var elem, display;
if ( speed || speed === 0 ) {
return this.animate( genFx("show", 3), speed, easing, callback );
} else {
for ( var i = 0, j = this.length; i < j; i++ ) {
elem = this[ i ];
if ( elem.style ) {
display = elem.style.display;
// Reset the inline display of this element to learn if it is
// being hidden by cascaded rules or not
if ( !jQuery._data(elem, "olddisplay") && display === "none" ) {
display = elem.style.display = "";
}
// Set elements which have been overridden with display: none
// in a stylesheet to whatever the default browser style is
// for such an element
if ( (display === "" && jQuery.css(elem, "display") === "none") ||
!jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
}
}
}
// Set the display of most of the elements in a second loop
// to avoid the constant reflow
for ( i = 0; i < j; i++ ) {
elem = this[ i ];
if ( elem.style ) {
display = elem.style.display;
if ( display === "" || display === "none" ) {
elem.style.display = jQuery._data( elem, "olddisplay" ) || "";
}
}
}
return this;
}
},
hide: function( speed, easing, callback ) {
if ( speed || speed === 0 ) {
return this.animate( genFx("hide", 3), speed, easing, callback);
} else {
var elem, display,
i = 0,
j = this.length;
for ( ; i < j; i++ ) {
elem = this[i];
if ( elem.style ) {
display = jQuery.css( elem, "display" );
if ( display !== "none" && !jQuery._data( elem, "olddisplay" ) ) {
jQuery._data( elem, "olddisplay", display );
}
}
}
// Set the display of the elements in a second loop
// to avoid the constant reflow
for ( i = 0; i < j; i++ ) {
if ( this[i].style ) {
this[i].style.display = "none";
}
}
return this;
}
},
// Save the old toggle function
_toggle: jQuery.fn.toggle,
toggle: function( fn, fn2, callback ) {
var bool = typeof fn === "boolean";
if ( jQuery.isFunction(fn) && jQuery.isFunction(fn2) ) {
this._toggle.apply( this, arguments );
} else if ( fn == null || bool ) {
this.each(function() {
var state = bool ? fn : jQuery(this).is(":hidden");
jQuery(this)[ state ? "show" : "hide" ]();
});
} else {
this.animate(genFx("toggle", 3), fn, fn2, callback);
}
return this;
},
fadeTo: function( speed, to, easing, callback ) {
return this.filter(":hidden").css("opacity", 0).show().end()
.animate({opacity: to}, speed, easing, callback);
},*/
animate: function( prop, speed, easing, callback ) {
var optall = jQuery.speed( speed, easing, callback );
if ( jQuery.isEmptyObject( prop ) ) {
return this.each( optall.complete, [ false ] );
}
// Do not change referenced properties as per-property easing will be lost
prop = jQuery.extend( {}, prop );
function doAnimation() {
// XXX 'this' does not always have a nodeName when running the
// test suite
if ( optall.queue === false ) {
jQuery._mark( this );
}
var opt = jQuery.extend( {}, optall ),
isElement = this.nodeType === 1,
hidden = isElement && jQuery(this).is(":hidden"),
name, val, p, e, hooks, replace,
parts, start, end, unit,
method,
// ++TRANSITION++
cssProps = jQuery.cssProps,
// disable transition if a step option is supplied
supportTransition = !opt.step && jQuery.support.transition,
transition,
transitions = [],
easing, real, lower,
computedStyle;
// will store per property easing and be used to determine when an animation is complete
opt.animatedProperties = {};
// ++TRANSITION++
// transition is enabled per property, when:
// - there is no step function for the animation
// - there is no special easing for the property
opt.transition = {};
// first pass over propertys to expand / normalize
for ( p in prop ) {
name = jQuery.camelCase( p );
if ( p !== name ) {
prop[ name ] = prop[ p ];
delete prop[ p ];
}
if ( ( hooks = jQuery.cssHooks[ name ] ) && "expand" in hooks ) {
replace = hooks.expand( prop[ name ] );
delete prop[ name ];
// not quite $.extend, this wont overwrite keys already present.
// also - reusing 'p' from above because we have the correct "name"
for ( p in replace ) {
if ( ! ( p in prop ) ) {
prop[ p ] = replace[ p ];
}
}
}
}
for ( name in prop ) {
val = prop[ name ];
// easing resolution: per property > opt.specialEasing > opt.easing > 'swing' (default)
if ( jQuery.isArray( val ) ) {
/* ++TRANSITION++ */ easing = opt.animatedProperties[ name ] = val[ 1 ];
val = prop[ name ] = val[ 0 ];
} else {
/* ++TRANSITION++ */ easing = opt.animatedProperties[ name ] = opt.specialEasing && opt.specialEasing[ name ] || opt.easing || "swing";
}
// ++TRANSITION++
// check that CSS Transitions can be used
transition = supportTransition && isElement && opt.duration > 0 && name.indexOf( "scroll" ) && easingTable[ easing ];
// collect the properties to be added to elem.style.transition...
if ( transition ) {
real = cssProps[ name ] || name;
lower = real.replace(/([A-Z])/g, '-$1').toLowerCase();
transition =
lower +" "+
opt.duration +"ms "+
transition;
opt.transition[ name ] = {
lower: lower,
real: real
};
transitions.push(transition);
}
if ( val === "hide" && hidden || val === "show" && !hidden ) {
return opt.complete.call( this );
}
if ( isElement && ( name === "height" || name === "width" ) ) {
// Make sure that nothing sneaks out
// Record all 3 overflow attributes because IE does not
// change the overflow attribute when overflowX and
// overflowY are set to the same value
opt.overflow = [ this.style.overflow, this.style.overflowX, this.style.overflowY ];
// Set display property to inline-block for height/width
// animations on inline elements that are having width/height animated
if ( jQuery.css( this, "display" ) === "inline" &&
jQuery.css( this, "float" ) === "none" ) {
// inline-level elements accept inline-block;
// block-level elements need to be inline with layout
if ( !jQuery.support.inlineBlockNeedsLayout || defaultDisplay( this.nodeName ) === "inline" ) {
this.style.display = "inline-block";
} else {
this.style.zoom = 1;
}
}
}
}
if ( opt.overflow != null ) {
this.style.overflow = "hidden";
}
for ( p in prop ) {
e = new jQuery.fx( this, opt, p );
val = prop[ p ];
if ( rfxtypes.test( val ) ) {
// Tracks whether to show or hide based on private
// data attached to the element
method = jQuery._data( this, "toggle" + p ) || ( val === "toggle" ? hidden ? "show" : "hide" : 0 );
if ( method ) {
jQuery._data( this, "toggle" + p, method === "show" ? "hide" : "show" );
e[ method ]();
} else {
e[ val ]();
}
} else {
parts = rfxnum.exec( val );
start = e.cur();
if ( parts ) {
end = parseFloat( parts[2] );
unit = parts[3] || ( jQuery.cssNumber[ p ] ? "" : "px" );
// We need to compute starting value
if ( unit !== "px" && p !== "opacity" ) {
jQuery.style( this, p, (end || 1) + unit);
start = ( (end || 1) / e.cur() ) * start;
jQuery.style( this, p, start + unit);
}
// If a +=/-= token was provided, we're doing a relative animation
if ( parts[1] ) {
end = ( (parts[ 1 ] === "-=" ? -1 : 1) * end ) + start;
}
e.custom( start, end, unit );
} else {
e.custom( start, val, "" );
}
}
}
// ++TRANSITION++
if ( supportTransition && transitions.length ) {
transition = this.style[supportTransition];
computedStyle = window.getComputedStyle( this );
this.style[ supportTransition ] =
transitions.join() + ( transition && transition.indexOf( "none" ) ? "," + transition : "" );
// Once the transition property has been set, it's time to set all animated style properties
for ( p in opt.transition ) {
// access the computed style to make sure it has been taken into account by the browser
computedStyle[ p ];
// ...before setting the target style
jQuery.style.apply( null, opt.transition[ p ].styleToSet );
}
}
// For JS strict compliance
return true;
}
return optall.queue === false ?
this.each( doAnimation ) :
this.queue( optall.queue, doAnimation );
},
stop: function( type, clearQueue, gotoEnd ) {
if ( typeof type !== "string" ) {
gotoEnd = clearQueue;
clearQueue = type;
type = undefined;
}
if ( clearQueue && type !== false ) {
this.queue( type || "fx", [] );
}
return this.each(function() {
var index,
hadTimers = false,
timers = jQuery.timers,
data = jQuery._data( this ),
// ++TRANSITION++
supportTransition = jQuery.support.transition;
// clear marker counters if we know they won't be
if ( !gotoEnd ) {
jQuery._unmark( true, this );
}
function stopQueue( elem, data, index ) {
var hooks = data[ index ];
jQuery.removeData( elem, index, true );
hooks.stop( gotoEnd );
}
if ( type == null ) {
for ( index in data ) {
if ( data[ index ] && data[ index ].stop && index.indexOf(".run") === index.length - 4 ) {
stopQueue( this, data, index );
}
}
} else if ( data[ index = type + ".run" ] && data[ index ].stop ){
stopQueue( this, data, index );
}
for ( index = timers.length; index--; ) {
// ++TRANSITION++
if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
if ( gotoEnd || supportTransition ) {
// force the next step to be the last
timers[ index ]( /* ++TRANSITION++*/ gotoEnd );
}
if ( !gotoEnd ) {
timers[ index ].saveState();
}
hadTimers = true;
timers.splice( index, 1 );
}
}
// start the next in the queue if the last step wasn't forced
// timers currently will call their complete callbacks, which will dequeue
// but only if they were gotoEnd
if ( !( gotoEnd && hadTimers ) ) {
jQuery.dequeue( this, type );
}
});
}
});
// Animations created synchronously will run synchronously
function createFxNow() {
setTimeout( clearFxNow, 0 );
return ( fxNow = jQuery.now() );
}
function clearFxNow() {
fxNow = undefined;
}
/*// Generate parameters to create a standard animation
function genFx( type, num ) {
var obj = {};
jQuery.each( fxAttrs.concat.apply([], fxAttrs.slice( 0, num )), function() {
obj[ this ] = type;
});
return obj;
}
// Generate shortcuts for custom animations
jQuery.each({
slideDown: genFx( "show", 1 ),
slideUp: genFx( "hide", 1 ),
slideToggle: genFx( "toggle", 1 ),
fadeIn: { opacity: "show" },
fadeOut: { opacity: "hide" },
fadeToggle: { opacity: "toggle" }
}, function( name, props ) {
jQuery.fn[ name ] = function( speed, easing, callback ) {
return this.animate( props, speed, easing, callback );
};
});
jQuery.extend({
speed: function( speed, easing, fn ) {
var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
complete: fn || !fn && easing ||
jQuery.isFunction( speed ) && speed,
duration: speed,
easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
};
opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
// normalize opt.queue - true/undefined/null -> "fx"
if ( opt.queue == null || opt.queue === true ) {
opt.queue = "fx";
}
// Queueing
opt.old = opt.complete;
opt.complete = function( noUnmark ) {
if ( jQuery.isFunction( opt.old ) ) {
opt.old.call( this );
}
if ( opt.queue ) {
jQuery.dequeue( this, opt.queue );
} else if ( noUnmark !== false ) {
jQuery._unmark( this );
}
};
return opt;
},
easing: {
linear: function( p ) {
return p;
},
swing: function( p ) {
return ( -Math.cos( p*Math.PI ) / 2 ) + 0.5;
}
},
timers: [],
fx: function( elem, options, prop ) {
this.options = options;
this.elem = elem;
this.prop = prop;
options.orig = options.orig || {};
}
});*/
jQuery.extend( jQuery.fx.prototype, {
/*jQuery.fx.prototype = {
// Simple function for setting a style value
update: function() {
if ( this.options.step ) {
this.options.step.call( this.elem, this.now, this );
}
( jQuery.fx.step[ this.prop ] || jQuery.fx.step._default )( this );
},*/
// Get the current size
cur: function() {
if ( this.elem[ this.prop ] != null && (!this.elem.style || this.elem.style[ this.prop ] == null) ) {
return this.elem[ this.prop ];
}
var parsed,
r = jQuery.css( this.elem, this.prop );
// Empty strings, null, undefined and "auto" are converted to 0,
// complex values such as "rotate(1rad)" are returned as is,
// simple values such as "10px" are parsed to Float.
return isNaN( parsed = parseFloat( r ) ) ? !r || r === "auto" ? 0 : r : parsed;
},
// Start an animation from one number to another
custom: function( from, to, unit ) {
var self = this,
fx = jQuery.fx,
// ++TRANSITION++
transition = self.options.transition,
// prop has to be saved, or it'll be undefined in the setTimeout closure
prop = this.prop;
this.startTime = fxNow || createFxNow();
this.end = to;
this.now = this.start = from;
this.pos = this.state = 0;
this.unit = unit || this.unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
function t( gotoEnd ) {
return self.step( gotoEnd );
}
t.queue = this.options.queue;
t.elem = this.elem;
t.saveState = function() {
if ( jQuery._data( self.elem, "fxshow" + self.prop ) === undefined ) {
if ( self.options.hide ) {
jQuery._data( self.elem, "fxshow" + self.prop, self.start );
} else if ( self.options.show ) {
jQuery._data( self.elem, "fxshow" + self.prop, self.end );
}
}
};
// ++TRANSITION++
if ( ( t.transition = transition[ prop ] ) ) {
jQuery.timers.push( t );
// explicitly set the property to it's initial value to workaround bugzil.la/571344
// transform shouldn't cause any problem in this case, as it is covered by the spec.
if ( prop != "transform" ) {
self.elem.style[ transition[ prop ].real ] = from + self.unit;
}
// prevent negative values on certain properties
jQuery.fx.step[ prop ] && ( to = Math.max(0, to) );
transition[ prop ].styleToSet = [ self.elem, prop, to + self.unit ];
// use a setTimeout to detect the end of a transition
// the transitionend event is unreliable
transition[ prop ].timeout = setTimeout(function() {
jQuery.timers.splice( jQuery.timers.indexOf( t ), 1 );
self.step( true );
// add an unperceptible delay to help some tests pass in Firefox
}, self.options.duration + 30);
} else if ( t() && jQuery.timers.push(t) && !timerId ) {
timerId = setInterval( fx.tick, fx.interval );
}
},
/*// Simple 'show' function
show: function() {
var dataShow = jQuery._data( this.elem, "fxshow" + this.prop );
// Remember where we started, so that we can go back to it later
this.options.orig[ this.prop ] = dataShow || jQuery.style( this.elem, this.prop );
this.options.show = true;
// Begin the animation
// Make sure that we start at a small width/height to avoid any flash of content
if ( dataShow !== undefined ) {
// This show is picking up where a previous hide or show left off
this.custom( this.cur(), dataShow );
} else {
this.custom( this.prop === "width" || this.prop === "height" ? 1 : 0, this.cur() );
}
// Start by showing the element
jQuery( this.elem ).show();
},
// Simple 'hide' function
hide: function() {
// Remember where we started, so that we can go back to it later
this.options.orig[ this.prop ] = jQuery._data( this.elem, "fxshow" + this.prop ) || jQuery.style( this.elem, this.prop );
this.options.hide = true;
// Begin the animation
this.custom( this.cur(), 0 );
},*/
// Each step of an animation
step: function( gotoEnd ) {
var p, n, complete,
t = fxNow || createFxNow(),
done = true,
elem = this.elem,
options = this.options,
// ++TRANSITION++
transition = options.transition[ this.prop ],
naturalEnd = t >= options.duration + this.startTime,
supportTransition = jQuery.support.transition;
if ( transition || gotoEnd || naturalEnd ) {
if ( !transition ) {
this.now = this.end;
this.pos = this.state = 1;
this.update();
// ++TRANSITION++
} else {
clearTimeout( transition.timeout );
// Stop a transition halfway through
if ( !gotoEnd && !naturalEnd ) {
// yes, stopping a transition halfway through should be as simple as setting a property to its current value.
// Try to call window.getComputedStyle() only once per element (in tick()?)
this.elem.style[ transition.real ] = jQuery.css( this.elem, transition.real );
}
}
options.animatedProperties[ this.prop ] = true;
for ( p in options.animatedProperties ) {
if ( options.animatedProperties[ p ] !== true ) {
done = false;
}
}
if ( done ) {
// Reset the overflow
if ( options.overflow != null && !jQuery.support.shrinkWrapBlocks ) {
jQuery.each( [ "", "X", "Y" ], function( index, value ) {
elem.style[ "overflow" + value ] = options.overflow[ index ];
});
}
// Hide the element if the "hide" operation was done
if ( options.hide ) {
jQuery( elem ).hide();
}
// ++TRANSITION++
// cleanup the transition property
if ( transition ) {
transition = "," + elem.style[ supportTransition ];
for ( p in options.transition ) {
transition = transition.split( options.transition[ p ].lower ).join("_");
}
transition = transition.replace( /, ?_[^,]*/g, "" ).substr(1);
// if the resulting string is empty, replace it with "none" to achieve gotoEnd
elem.style[ supportTransition ] = transition || "none";
// finish on an empty string if "none" has been used
// this way transitions set with CSS aren't overridden.
!transition && ( elem.style[ supportTransition ] = transition );
}
// Reset the properties, if the item has been hidden or shown
if ( options.hide || options.show ) {
for ( p in options.animatedProperties ) {
( gotoEnd || naturalEnd ) && jQuery.style( elem, p, options.orig[ p ] );
jQuery.removeData( elem, "fxshow" + p, true );
// Toggle data is no longer needed
jQuery.removeData( elem, "toggle" + p, true );
}
}
// Execute the complete function
// in the event that the complete function throws an exception
// we must ensure it won't be called twice. #5684
complete = options.complete;
if ( complete && ( gotoEnd || naturalEnd ) ) {
options.complete = false;
complete.call( elem );
}
}
return false;
} else {
// classical easing cannot be used with an Infinity duration
if ( options.duration == Infinity ) {
this.now = t;
} else {
n = t - this.startTime;
this.state = n / options.duration;
// Perform the easing function, defaults to swing
this.pos = jQuery.easing[ options.animatedProperties[this.prop] ]( this.state, n, 0, 1, options.duration );
this.now = this.start + ( (this.end - this.start) * this.pos );
}
// Perform the next step of the animation
this.update();
}
return true;
}
});//};
jQuery.extend( jQuery.fx, {
tick: function() {
var timer,
timers = jQuery.timers,
i = 0;
for ( ; i < timers.length; i++ ) {
timer = timers[ i ];
// Checks the timer has not already been removed
// ++TRANSITION++
if ( !timer.transition && !timer() && timers[ i ] === timer ) {
timers.splice( i--, 1 );
}
}
if ( !timers.length ) {
jQuery.fx.stop();
}
}/*,
interval: 13,
stop: function() {
clearInterval( timerId );
timerId = null;
},
speeds: {
slow: 600,
fast: 200,
// Default speed
_default: 400
},
step: {
opacity: function( fx ) {
jQuery.style( fx.elem, "opacity", fx.now );
},
_default: function( fx ) {
if ( fx.elem.style && fx.elem.style[ fx.prop ] != null ) {
fx.elem.style[ fx.prop ] = fx.now + fx.unit;
} else {
fx.elem[ fx.prop ] = fx.now;
}
}
}*/
});
/*// Ensure props that can't be negative don't go there on undershoot easing
jQuery.each( fxAttrs.concat.apply( [], fxAttrs ), function( i, prop ) {
// Exclude marginTop, marginLeft, marginBottom and marginRight from this list
if ( !rMarginProp.test( prop ) ) {
jQuery.fx.step[ prop ] = function( fx ) {
jQuery.style( fx.elem, prop, Math.max(0, fx.now) + fx.unit );
};
}
});
if ( jQuery.expr && jQuery.expr.filters ) {
jQuery.expr.filters.animated = function( elem ) {
return jQuery.grep(jQuery.timers, function( fn ) {
return elem === fn.elem;
}).length;
};
}*/
// Try to restore the default display value of an element
function defaultDisplay( nodeName ) {
if ( !elemdisplay[ nodeName ] ) {
var body = document.body,
elem = jQuery( "<" + nodeName + ">" ).appendTo( body ),
display = elem.css( "display" );
elem.remove();
// If the simple way fails,
// get element's real default display by attaching it to a temp iframe
if ( display === "none" || display === "" ) {
// No iframe to use yet, so create it
if ( !iframe ) {
iframe = document.createElement( "iframe" );
iframe.frameBorder = iframe.width = iframe.height = 0;
}
body.appendChild( iframe );
// Create a cacheable copy of the iframe document on first call.
// IE and Opera will allow us to reuse the iframeDoc without re-writing the fake HTML
// document to it; WebKit & Firefox won't allow reusing the iframe document.
if ( !iframeDoc || !iframe.createElement ) {
iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
iframeDoc.write( ( jQuery.support.boxModel ? "<!doctype html>" : "" ) + "<html><body>" );
iframeDoc.close();
}
elem = iframeDoc.createElement( nodeName );
iframeDoc.body.appendChild( elem );
display = jQuery.css( elem, "display" );
body.removeChild( iframe );
}
// Store the correct default display
elemdisplay[ nodeName ] = display;
}
return elemdisplay[ nodeName ];
}
})( jQuery );