if ( /toggle|show|hide/.test(val) )
e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop );
else {
- var parts = val.toString().match(/^([+-]?)([\d.]+)(.*)$/),
+ var parts = val.toString().match(/^([+-]=)?([\d+-.]+)(.*)$/),
start = e.cur(true) || 0;
if ( parts ) {
- end = parseFloat(parts[2]),
- unit = parts[3] || "px";
+ var end = parseFloat(parts[2]),
+ unit = parts[3] || "px";
// We need to compute starting value
if ( unit != "px" ) {
- self.style[ name ] = end + unit;
- start = (end / e.cur(true)) * start;
+ self.style[ name ] = (end || 1) + unit;
+ start = ((end || 1) / e.cur(true)) * start;
self.style[ name ] = start + unit;
}
- // If a +/- token was provided, we're doing a relative animation
+ // If a +=/-= token was provided, we're doing a relative animation
if ( parts[1] )
- end = ((parts[1] == "-" ? -1 : 1) * end) + start;
-
- // Absolutely position numbers
- if( typeof val == "number") end = val;
+ end = ((parts[1] == "-=" ? -1 : 1) * end) + start;
e.custom( start, end, unit );
} else
type = "fx";
}
- if ( !type || typeof type == "string" )
+ if ( !type || (typeof type == "string" && !fn) )
return queue( this[0], type );
return this.each(function(){