https://www.alfredstreet.org/wp-includes/js/jquery/ui/effect-drop.js?ver=1.13.3

1/*!
2 * jQuery UI Effects Drop 1.13.3
3 * https://jqueryui.com
4 *
5 * Copyright OpenJS Foundation and other contributors
6 * Released under the MIT license.
7 * https://jquery.org/license
8 */
9
10//>>label: Drop Effect
11//>>group: Effects
12//>>description: Moves an element in one direction and hides it at the same time.
13//>>docs: https://api.jqueryui.com/drop-effect/
14//>>demos: https://jqueryui.com/effect/
15
16( function( factory ) {
17	"use strict";
18
19	if ( typeof define === "function" && define.amd ) {
20
21		// AMD. Register as an anonymous module.
22		define( [
23			"jquery",
24			"../version",
25			"../effect"
26		], factory );
27	} else {
28
29		// Browser globals
30		factory( jQuery );
31	}
32} )( function( $ ) {
33"use strict";
34
35return $.effects.define( "drop", "hide", function( options, done ) {
36
37	var distance,
38		element = $( this ),
39		mode = options.mode,
40		show = mode === "show",
41		direction = options.direction || "left",
42		ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
43		motion = ( direction === "up" || direction === "left" ) ? "-=" : "+=",
44		oppositeMotion = ( motion === "+=" ) ? "-=" : "+=",
45		animation = {
46			opacity: 0
47		};
48
49	$.effects.createPlaceholder( element );
50
51	distance = options.distance ||
52		element[ ref === "top" ? "outerHeight" : "outerWidth" ]( true ) / 2;
53
54	animation[ ref ] = motion + distance;
55
56	if ( show ) {
57		element.css( animation );
58
59		animation[ ref ] = oppositeMotion + distance;
60		animation.opacity = 1;
61	}
62
63	// Animate
64	element.animate( animation, {
65		queue: false,
66		duration: options.duration,
67		easing: options.easing,
68		complete: done
69	} );
70} );
71
72} );