jquery core: improves #3248. Functions are supported by isFunction.
[jquery.git] / src / fx.js
index 35a9485..3fe9369 100644 (file)
--- a/src/fx.js
+++ b/src/fx.js
@@ -45,26 +45,6 @@ jQuery.fn.extend({
                                });
        },
 
-       slideDown: function(speed,callback){
-               return this.animate({height: "show"}, speed, callback);
-       },
-
-       slideUp: function(speed,callback){
-               return this.animate({height: "hide"}, speed, callback);
-       },
-
-       slideToggle: function(speed, callback){
-               return this.animate({height: "toggle"}, speed, callback);
-       },
-
-       fadeIn: function(speed, callback){
-               return this.animate({opacity: "show"}, speed, callback);
-       },
-
-       fadeOut: function(speed, callback){
-               return this.animate({opacity: "hide"}, speed, callback);
-       },
-
        fadeTo: function(speed,to,callback){
                return this.animate({opacity: to}, speed, callback);
        },
@@ -178,6 +158,19 @@ jQuery.fn.extend({
 
 });
 
+// Generate shortcuts for custom animations
+jQuery.each({
+       slideDown: { height:"show" },
+       slideUp: { height: "hide" },
+       slideToggle: { height: "toggle" },
+       fadeIn: { opacity: "show" },
+       fadeOut: { opacity: "hide" }
+}, function( name, props ){
+       jQuery.fn[ name ] = function( speed, callback ){
+               return this.animate( props, speed, callback );
+       };
+});
+
 var queue = function( elem, type, array ) {
        if ( elem ){
 
@@ -215,9 +208,8 @@ jQuery.extend({
                        easing: fn && easing || easing && easing.constructor != Function && easing
                };
 
-               opt.duration = (opt.duration && opt.duration.constructor == Number ?
-                       opt.duration :
-                       jQuery.fx.speeds[opt.duration]) || jQuery.fx.speeds._default;
+               opt.duration = jQuery.fx.off ? 0 : typeof opt.duration == 'number' ? opt.duration :
+                       jQuery.fx.speeds[opt.duration] || jQuery.fx.speeds._default;
 
                // Queueing
                opt.old = opt.complete;
@@ -285,7 +277,6 @@ jQuery.fx.prototype = {
                this.unit = unit || this.unit || "px";
                this.now = this.start;
                this.pos = this.state = 0;
-               this.update();
 
                var self = this;
                function t(gotoEnd){
@@ -296,7 +287,7 @@ jQuery.fx.prototype = {
 
                jQuery.timers.push(t);
 
-               if ( jQuery.timerId == null ) {
+               if ( t() && jQuery.timerId == null ) {
                        jQuery.timerId = setInterval(function(){
                                var timers = jQuery.timers;
 
@@ -344,7 +335,7 @@ jQuery.fx.prototype = {
        step: function(gotoEnd){
                var t = now();
 
-               if ( gotoEnd || t > this.options.duration + this.startTime ) {
+               if ( gotoEnd || t >= this.options.duration + this.startTime ) {
                        this.now = this.end;
                        this.pos = this.state = 1;
                        this.update();