Scale effect

Description: Shrink or grow an element by a percentage factor.

scale
- direction (default: "both")
  
  Type: String
  
  The direction of the effect. Possible values: "both", "vertical" or "horizontal".
- origin (default: [ "middle", "center" ])
  
  Type: Array
  
  The vanishing point.
- percent
  
  Type: Number
  
  The percentage to scale to.
- scale (default: "both")
  
  Type: String
  
  Which areas of the element will be resized: "both", "box", "content". Box resizes the border and padding of the element; content resizes any content inside of the element.

Examples:

Toggle a div using the scale effect.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>scale demo</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css">
  <style>
  #toggle {
    width: 100px;
    height: 100px;
    background: #ccc;
  }
  </style>
  <script src="//code.jquery.com/jquery-1.12.4.js"></script>
  <script src="//code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
</head>
<body>
 
<p>Click anywhere to toggle the box.</p>
<div id="toggle"></div>
 
<script>
$( document ).click(function() {
  $( "#toggle" ).toggle( "scale" );
});
</script>
 
</body>
</html>

Demo:

Toggle a div using the scale effect in just one direction.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>scale demo</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css">
  <style>
  #toggle {
    width: 100px;
    height: 100px;
    background: #ccc;
  }
  </style>
  <script src="//code.jquery.com/jquery-1.12.4.js"></script>
  <script src="//code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
</head>
<body>
 
<p>Click anywhere to toggle the box.</p>
<div id="toggle"></div>
 
<script>
$( document ).click(function() {
  $( "#toggle" ).toggle({ effect: "scale", direction: "horizontal" });
});
</script>
 
</body>
</html>