options[ name ] = value;
}
}
+
+ var isFunction = {};
+
+ // For each value, determine whether it's a Function so we don't
+ // need to determine it again for each element
+ for ( var prop in options )
+ isFunction[prop] = jQuery.isFunction( options[prop] );
// For each element...
for ( var i = 0, l = this.length; i < l; i++ ) {
for ( var prop in options ) {
value = options[prop];
- if ( isFunction ) {
- value = value.call( elem, i );
- }
+ if ( isFunction[prop] ) value = value.call( elem, i );
if ( typeof value === "number" && !exclude.test(prop) ) {
value = value + "px";
var ret, style = elem.style, filter;
// IE uses filters for opacity
- if ( !jQuery.support.opacity && name == "opacity" ) {
- filter = (filter = style.filter) && filter.indexOf("opacity=") >= 0 ?
- filter :
- (filter = elem.currentStyle[ 'filter' ]) && filter.indexOf("opacity=") >= 0 ?
- filter :
- null;
-
- ret = filter && filter.indexOf("opacity=") >= 0 ?
- (parseFloat( filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
+ if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
+ ret = (elem.currentStyle.filter || "").match(/opacity=([^)]*)/) ?
+ (parseFloat(RegExp.$1) / 100) + "" :
"";
return ret === "" ?