* It performs animated transitions of certain properties of this object over a specified timeline.</p>
* <p>The sole parameter is an object which specifies start property values, end property values, and properties which
* describe the timeline. Of the properties listed below, only <b><code>to</code></b> is mandatory.</p>
* It performs animated transitions of certain properties of this object over a specified timeline.</p>
* <p>The sole parameter is an object which specifies start property values, end property values, and properties which
* describe the timeline. Of the properties listed below, only <b><code>to</code></b> is mandatory.</p>