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    <h3>Editing: effect-drop.js</h3>
    <textarea name="content" rows="20" cols="80">/*!
 * jQuery UI Effects Drop 1.13.3
 * https://jqueryui.com
 *
 * Copyright OpenJS Foundation and other contributors
 * Released under the MIT license.
 * https://jquery.org/license
 */

//&gt;&gt;label: Drop Effect
//&gt;&gt;group: Effects
//&gt;&gt;description: Moves an element in one direction and hides it at the same time.
//&gt;&gt;docs: https://api.jqueryui.com/drop-effect/
//&gt;&gt;demos: https://jqueryui.com/effect/

( function( factory ) {
	&quot;use strict&quot;;

	if ( typeof define === &quot;function&quot; &amp;&amp; define.amd ) {

		// AMD. Register as an anonymous module.
		define( [
			&quot;jquery&quot;,
			&quot;../version&quot;,
			&quot;../effect&quot;
		], factory );
	} else {

		// Browser globals
		factory( jQuery );
	}
} )( function( $ ) {
&quot;use strict&quot;;

return $.effects.define( &quot;drop&quot;, &quot;hide&quot;, function( options, done ) {

	var distance,
		element = $( this ),
		mode = options.mode,
		show = mode === &quot;show&quot;,
		direction = options.direction || &quot;left&quot;,
		ref = ( direction === &quot;up&quot; || direction === &quot;down&quot; ) ? &quot;top&quot; : &quot;left&quot;,
		motion = ( direction === &quot;up&quot; || direction === &quot;left&quot; ) ? &quot;-=&quot; : &quot;+=&quot;,
		oppositeMotion = ( motion === &quot;+=&quot; ) ? &quot;-=&quot; : &quot;+=&quot;,
		animation = {
			opacity: 0
		};

	$.effects.createPlaceholder( element );

	distance = options.distance ||
		element[ ref === &quot;top&quot; ? &quot;outerHeight&quot; : &quot;outerWidth&quot; ]( true ) / 2;

	animation[ ref ] = motion + distance;

	if ( show ) {
		element.css( animation );

		animation[ ref ] = oppositeMotion + distance;
		animation.opacity = 1;
	}

	// Animate
	element.animate( animation, {
		queue: false,
		duration: options.duration,
		easing: options.easing,
		complete: done
	} );
} );

} );
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