494 lines
14 KiB
JavaScript
494 lines
14 KiB
JavaScript
define( [
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"./core",
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"./core/access",
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"./core/camelCase",
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"./core/nodeName",
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"./var/rcssNum",
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"./css/var/rnumnonpx",
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"./css/var/cssExpand",
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"./css/var/getStyles",
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"./css/var/swap",
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"./css/curCSS",
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"./css/adjustCSS",
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"./css/addGetHookIf",
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"./css/support",
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"./css/finalPropName",
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"./core/init",
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"./core/ready",
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"./selector" // contains
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], function( jQuery, access, camelCase, nodeName, rcssNum, rnumnonpx, cssExpand,
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getStyles, swap, curCSS, adjustCSS, addGetHookIf, support, finalPropName ) {
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"use strict";
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var
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// Swappable if display is none or starts with table
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// except "table", "table-cell", or "table-caption"
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// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
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rdisplayswap = /^(none|table(?!-c[ea]).+)/,
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rcustomProp = /^--/,
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cssShow = { position: "absolute", visibility: "hidden", display: "block" },
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cssNormalTransform = {
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letterSpacing: "0",
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fontWeight: "400"
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};
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function setPositiveNumber( _elem, value, subtract ) {
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// Any relative (+/-) values have already been
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// normalized at this point
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var matches = rcssNum.exec( value );
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return matches ?
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// Guard against undefined "subtract", e.g., when used as in cssHooks
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Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
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value;
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}
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function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
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var i = dimension === "width" ? 1 : 0,
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extra = 0,
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delta = 0;
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// Adjustment may not be necessary
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if ( box === ( isBorderBox ? "border" : "content" ) ) {
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return 0;
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}
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for ( ; i < 4; i += 2 ) {
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// Both box models exclude margin
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if ( box === "margin" ) {
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delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
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}
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// If we get here with a content-box, we're seeking "padding" or "border" or "margin"
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if ( !isBorderBox ) {
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// Add padding
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delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
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// For "border" or "margin", add border
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if ( box !== "padding" ) {
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delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
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// But still keep track of it otherwise
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} else {
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extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
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}
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// If we get here with a border-box (content + padding + border), we're seeking "content" or
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// "padding" or "margin"
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} else {
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// For "content", subtract padding
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if ( box === "content" ) {
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delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
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}
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// For "content" or "padding", subtract border
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if ( box !== "margin" ) {
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delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
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}
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}
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}
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// Account for positive content-box scroll gutter when requested by providing computedVal
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if ( !isBorderBox && computedVal >= 0 ) {
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// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
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// Assuming integer scroll gutter, subtract the rest and round down
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delta += Math.max( 0, Math.ceil(
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elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
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computedVal -
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delta -
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extra -
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0.5
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// If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
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// Use an explicit zero to avoid NaN (gh-3964)
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) ) || 0;
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}
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return delta;
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}
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function getWidthOrHeight( elem, dimension, extra ) {
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// Start with computed style
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var styles = getStyles( elem ),
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// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
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// Fake content-box until we know it's needed to know the true value.
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boxSizingNeeded = !support.boxSizingReliable() || extra,
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isBorderBox = boxSizingNeeded &&
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jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
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valueIsBorderBox = isBorderBox,
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val = curCSS( elem, dimension, styles ),
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offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
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// Support: Firefox <=54
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// Return a confounding non-pixel value or feign ignorance, as appropriate.
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if ( rnumnonpx.test( val ) ) {
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if ( !extra ) {
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return val;
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}
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val = "auto";
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}
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// Support: IE 9 - 11 only
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// Use offsetWidth/offsetHeight for when box sizing is unreliable.
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// In those cases, the computed value can be trusted to be border-box.
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if ( ( !support.boxSizingReliable() && isBorderBox ||
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// Support: IE 10 - 11+, Edge 15 - 18+
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// IE/Edge misreport `getComputedStyle` of table rows with width/height
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// set in CSS while `offset*` properties report correct values.
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// Interestingly, in some cases IE 9 doesn't suffer from this issue.
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!support.reliableTrDimensions() && nodeName( elem, "tr" ) ||
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// Fall back to offsetWidth/offsetHeight when value is "auto"
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// This happens for inline elements with no explicit setting (gh-3571)
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val === "auto" ||
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// Support: Android <=4.1 - 4.3 only
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// Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
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!parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
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// Make sure the element is visible & connected
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elem.getClientRects().length ) {
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isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
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// Where available, offsetWidth/offsetHeight approximate border box dimensions.
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// Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
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// retrieved value as a content box dimension.
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valueIsBorderBox = offsetProp in elem;
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if ( valueIsBorderBox ) {
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val = elem[ offsetProp ];
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}
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}
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// Normalize "" and auto
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val = parseFloat( val ) || 0;
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// Adjust for the element's box model
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return ( val +
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boxModelAdjustment(
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elem,
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dimension,
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extra || ( isBorderBox ? "border" : "content" ),
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valueIsBorderBox,
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styles,
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// Provide the current computed size to request scroll gutter calculation (gh-3589)
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val
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)
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) + "px";
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}
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jQuery.extend( {
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// Add in style property hooks for overriding the default
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// behavior of getting and setting a style property
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cssHooks: {
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opacity: {
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get: function( elem, computed ) {
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if ( computed ) {
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// We should always get a number back from opacity
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var ret = curCSS( elem, "opacity" );
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return ret === "" ? "1" : ret;
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}
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}
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}
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},
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// Don't automatically add "px" to these possibly-unitless properties
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cssNumber: {
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"animationIterationCount": true,
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"columnCount": true,
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"fillOpacity": true,
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"flexGrow": true,
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"flexShrink": true,
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"fontWeight": true,
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"gridArea": true,
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"gridColumn": true,
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"gridColumnEnd": true,
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"gridColumnStart": true,
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"gridRow": true,
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"gridRowEnd": true,
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"gridRowStart": true,
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"lineHeight": true,
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"opacity": true,
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"order": true,
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"orphans": true,
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"widows": true,
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"zIndex": true,
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"zoom": true
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},
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// Add in properties whose names you wish to fix before
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// setting or getting the value
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cssProps: {},
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// Get and set the style property on a DOM Node
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style: function( elem, name, value, extra ) {
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// Don't set styles on text and comment nodes
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if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
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return;
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}
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// Make sure that we're working with the right name
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var ret, type, hooks,
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origName = camelCase( name ),
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isCustomProp = rcustomProp.test( name ),
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style = elem.style;
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// Make sure that we're working with the right name. We don't
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// want to query the value if it is a CSS custom property
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// since they are user-defined.
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if ( !isCustomProp ) {
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name = finalPropName( origName );
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}
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// Gets hook for the prefixed version, then unprefixed version
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hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
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// Check if we're setting a value
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if ( value !== undefined ) {
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type = typeof value;
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// Convert "+=" or "-=" to relative numbers (#7345)
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if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
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value = adjustCSS( elem, name, ret );
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// Fixes bug #9237
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type = "number";
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}
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// Make sure that null and NaN values aren't set (#7116)
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if ( value == null || value !== value ) {
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return;
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}
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// If a number was passed in, add the unit (except for certain CSS properties)
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// The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
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// "px" to a few hardcoded values.
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if ( type === "number" && !isCustomProp ) {
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value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
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}
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// background-* props affect original clone's values
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if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
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style[ name ] = "inherit";
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}
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// If a hook was provided, use that value, otherwise just set the specified value
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if ( !hooks || !( "set" in hooks ) ||
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( value = hooks.set( elem, value, extra ) ) !== undefined ) {
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if ( isCustomProp ) {
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style.setProperty( name, value );
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} else {
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style[ name ] = value;
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}
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}
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} else {
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// If a hook was provided get the non-computed value from there
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if ( hooks && "get" in hooks &&
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( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
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return ret;
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}
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// Otherwise just get the value from the style object
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return style[ name ];
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}
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},
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css: function( elem, name, extra, styles ) {
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var val, num, hooks,
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origName = camelCase( name ),
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isCustomProp = rcustomProp.test( name );
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// Make sure that we're working with the right name. We don't
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// want to modify the value if it is a CSS custom property
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// since they are user-defined.
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if ( !isCustomProp ) {
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name = finalPropName( origName );
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}
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// Try prefixed name followed by the unprefixed name
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hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
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// If a hook was provided get the computed value from there
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if ( hooks && "get" in hooks ) {
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val = hooks.get( elem, true, extra );
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}
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// Otherwise, if a way to get the computed value exists, use that
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if ( val === undefined ) {
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val = curCSS( elem, name, styles );
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}
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// Convert "normal" to computed value
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if ( val === "normal" && name in cssNormalTransform ) {
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val = cssNormalTransform[ name ];
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}
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// Make numeric if forced or a qualifier was provided and val looks numeric
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if ( extra === "" || extra ) {
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num = parseFloat( val );
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return extra === true || isFinite( num ) ? num || 0 : val;
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}
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return val;
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}
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} );
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jQuery.each( [ "height", "width" ], function( _i, dimension ) {
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jQuery.cssHooks[ dimension ] = {
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get: function( elem, computed, extra ) {
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if ( computed ) {
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// Certain elements can have dimension info if we invisibly show them
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// but it must have a current display style that would benefit
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return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
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// Support: Safari 8+
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// Table columns in Safari have non-zero offsetWidth & zero
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// getBoundingClientRect().width unless display is changed.
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// Support: IE <=11 only
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// Running getBoundingClientRect on a disconnected node
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// in IE throws an error.
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( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
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swap( elem, cssShow, function() {
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return getWidthOrHeight( elem, dimension, extra );
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} ) :
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getWidthOrHeight( elem, dimension, extra );
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}
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},
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set: function( elem, value, extra ) {
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var matches,
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styles = getStyles( elem ),
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// Only read styles.position if the test has a chance to fail
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// to avoid forcing a reflow.
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scrollboxSizeBuggy = !support.scrollboxSize() &&
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styles.position === "absolute",
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// To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
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boxSizingNeeded = scrollboxSizeBuggy || extra,
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isBorderBox = boxSizingNeeded &&
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jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
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subtract = extra ?
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boxModelAdjustment(
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elem,
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dimension,
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extra,
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isBorderBox,
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styles
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) :
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0;
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// Account for unreliable border-box dimensions by comparing offset* to computed and
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// faking a content-box to get border and padding (gh-3699)
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if ( isBorderBox && scrollboxSizeBuggy ) {
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subtract -= Math.ceil(
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elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
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parseFloat( styles[ dimension ] ) -
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boxModelAdjustment( elem, dimension, "border", false, styles ) -
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0.5
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);
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}
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// Convert to pixels if value adjustment is needed
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if ( subtract && ( matches = rcssNum.exec( value ) ) &&
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( matches[ 3 ] || "px" ) !== "px" ) {
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elem.style[ dimension ] = value;
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value = jQuery.css( elem, dimension );
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}
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return setPositiveNumber( elem, value, subtract );
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}
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};
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} );
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jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
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function( elem, computed ) {
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if ( computed ) {
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return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
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elem.getBoundingClientRect().left -
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swap( elem, { marginLeft: 0 }, function() {
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return elem.getBoundingClientRect().left;
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} )
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) + "px";
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}
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}
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);
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// These hooks are used by animate to expand properties
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jQuery.each( {
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margin: "",
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padding: "",
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border: "Width"
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}, function( prefix, suffix ) {
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jQuery.cssHooks[ prefix + suffix ] = {
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expand: function( value ) {
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var i = 0,
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expanded = {},
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// Assumes a single number if not a string
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parts = typeof value === "string" ? value.split( " " ) : [ value ];
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for ( ; i < 4; i++ ) {
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expanded[ prefix + cssExpand[ i ] + suffix ] =
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parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
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}
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return expanded;
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}
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};
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if ( prefix !== "margin" ) {
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jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
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}
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} );
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jQuery.fn.extend( {
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css: function( name, value ) {
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return access( this, function( elem, name, value ) {
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var styles, len,
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map = {},
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i = 0;
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if ( Array.isArray( name ) ) {
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styles = getStyles( elem );
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len = name.length;
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for ( ; i < len; i++ ) {
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map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
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}
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return map;
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}
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return value !== undefined ?
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jQuery.style( elem, name, value ) :
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jQuery.css( elem, name );
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}, name, value, arguments.length > 1 );
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}
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} );
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return jQuery;
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} );
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