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- define( [
- "../core",
- "../core/isAttached",
- "./var/rboxStyle",
- "./var/rnumnonpx",
- "./var/getStyles",
- "./var/rcustomProp",
- "../var/rtrimCSS",
- "./support"
- ], function( jQuery, isAttached, rboxStyle, rnumnonpx, getStyles,
- rcustomProp, rtrimCSS, support ) {
- "use strict";
- function curCSS( elem, name, computed ) {
- var width, minWidth, maxWidth, ret,
- isCustomProp = rcustomProp.test( name ),
- // Support: Firefox 51+
- // Retrieving style before computed somehow
- // fixes an issue with getting wrong values
- // on detached elements
- style = elem.style;
- computed = computed || getStyles( elem );
- // getPropertyValue is needed for:
- // .css('filter') (IE 9 only, trac-12537)
- // .css('--customProperty) (gh-3144)
- if ( computed ) {
- // Support: IE <=9 - 11+
- // IE only supports `"float"` in `getPropertyValue`; in computed styles
- // it's only available as `"cssFloat"`. We no longer modify properties
- // sent to `.css()` apart from camelCasing, so we need to check both.
- // Normally, this would create difference in behavior: if
- // `getPropertyValue` returns an empty string, the value returned
- // by `.css()` would be `undefined`. This is usually the case for
- // disconnected elements. However, in IE even disconnected elements
- // with no styles return `"none"` for `getPropertyValue( "float" )`
- ret = computed.getPropertyValue( name ) || computed[ name ];
- if ( isCustomProp && ret ) {
- // Support: Firefox 105+, Chrome <=105+
- // Spec requires trimming whitespace for custom properties (gh-4926).
- // Firefox only trims leading whitespace. Chrome just collapses
- // both leading & trailing whitespace to a single space.
- //
- // Fall back to `undefined` if empty string returned.
- // This collapses a missing definition with property defined
- // and set to an empty string but there's no standard API
- // allowing us to differentiate them without a performance penalty
- // and returning `undefined` aligns with older jQuery.
- //
- // rtrimCSS treats U+000D CARRIAGE RETURN and U+000C FORM FEED
- // as whitespace while CSS does not, but this is not a problem
- // because CSS preprocessing replaces them with U+000A LINE FEED
- // (which *is* CSS whitespace)
- // https://www.w3.org/TR/css-syntax-3/#input-preprocessing
- ret = ret.replace( rtrimCSS, "$1" ) || undefined;
- }
- if ( ret === "" && !isAttached( elem ) ) {
- ret = jQuery.style( elem, name );
- }
- // A tribute to the "awesome hack by Dean Edwards"
- // Android Browser returns percentage for some values,
- // but width seems to be reliably pixels.
- // This is against the CSSOM draft spec:
- // https://drafts.csswg.org/cssom/#resolved-values
- if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
- // Remember the original values
- width = style.width;
- minWidth = style.minWidth;
- maxWidth = style.maxWidth;
- // Put in the new values to get a computed value out
- style.minWidth = style.maxWidth = style.width = ret;
- ret = computed.width;
- // Revert the changed values
- style.width = width;
- style.minWidth = minWidth;
- style.maxWidth = maxWidth;
- }
- }
- return ret !== undefined ?
- // Support: IE <=9 - 11 only
- // IE returns zIndex value as an integer.
- ret + "" :
- ret;
- }
- return curCSS;
- } );
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