three.js/editor/js/Sidebar.Script.js

Sidebar.Script = function ( editor ) {

	var signals = editor.signals;

	var container = new UI.CollapsiblePanel();
	container.setCollapsed( true );

	container.addStatic( new UI.Text( 'Script' ).setTextTransform( 'uppercase' ) );
	container.add( new UI.Break() );

	var scriptsRow = new UI.Panel();
	container.add( scriptsRow );

	return container;

}