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

//&gt;&gt;label: Shake Effect
//&gt;&gt;group: Effects
//&gt;&gt;description: Shakes an element horizontally or vertically n times.
//&gt;&gt;docs: https://api.jqueryui.com/shake-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;shake&quot;, function( options, done ) {

	var i = 1,
		element = $( this ),
		direction = options.direction || &quot;left&quot;,
		distance = options.distance || 20,
		times = options.times || 3,
		anims = times * 2 + 1,
		speed = Math.round( options.duration / anims ),
		ref = ( direction === &quot;up&quot; || direction === &quot;down&quot; ) ? &quot;top&quot; : &quot;left&quot;,
		positiveMotion = ( direction === &quot;up&quot; || direction === &quot;left&quot; ),
		animation = {},
		animation1 = {},
		animation2 = {},

		queuelen = element.queue().length;

	$.effects.createPlaceholder( element );

	// Animation
	animation[ ref ] = ( positiveMotion ? &quot;-=&quot; : &quot;+=&quot; ) + distance;
	animation1[ ref ] = ( positiveMotion ? &quot;+=&quot; : &quot;-=&quot; ) + distance * 2;
	animation2[ ref ] = ( positiveMotion ? &quot;-=&quot; : &quot;+=&quot; ) + distance * 2;

	// Animate
	element.animate( animation, speed, options.easing );

	// Shakes
	for ( ; i &lt; times; i++ ) {
		element
			.animate( animation1, speed, options.easing )
			.animate( animation2, speed, options.easing );
	}

	element
		.animate( animation1, speed, options.easing )
		.animate( animation, speed / 2, options.easing )
		.queue( done );

	$.effects.unshift( element, queuelen, anims + 1 );
} );

} );
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