rfloat = /float/i,
rdashAlpha = /-([a-z])/ig,
rupper = /([A-Z])/g,
- rnumpx = /^\d+(?:px)?$/i,
- rnum = /^\d/,
+ rnumpx = /^-?\d+(?:px)?$/i,
+ rnum = /^-?\d/,
// cache check for defaultView.getComputedStyle
getComputedStyle = document.defaultView && document.defaultView.getComputedStyle,
style.zoom = 1;
// Set the alpha filter to set the opacity
- style.filter = (style.filter || "").replace( ralpha, "" ) +
- (parseInt( value ) + '' === "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
+ var opacity = parseInt( value, 10 ) + '' === "NaN" ? "" : "alpha(opacity=" + value * 100 + ")";
+ var filter = style.filter || jQuery.curCSS( elem, 'filter' ) || "";
+ style.filter = ralpha.test(filter) ? filter.replace(ralpha, opacity) : opacity;
}
return style.filter && style.filter.indexOf("opacity=") >= 0 ?
});
if ( jQuery.expr && jQuery.expr.filters ) {
- jQuery.expr.filters.hidden = function(elem){
+ jQuery.expr.filters.hidden = function( elem ) {
var width = elem.offsetWidth, height = elem.offsetHeight,
- force = /^tr$/i.test( elem.nodeName ); // ticket #4512
- return ( width === 0 && height === 0 && !force ) ?
+ skip = elem.nodeName.toLowerCase() === "tr";
+
+ return width === 0 && height === 0 && !skip ?
true :
- ( width !== 0 && height !== 0 && !force ) ?
- false :
- !!( jQuery.curCSS(elem, "display") === "none" );
+ width > 0 && height > 0 && !skip ?
+ false :
+ jQuery.curCSS(elem, "display") === "none";
};
- jQuery.expr.filters.visible = function(elem){
- return !jQuery.expr.filters.hidden(elem);
+ jQuery.expr.filters.visible = function( elem ) {
+ return !jQuery.expr.filters.hidden( elem );
};
}