Code Snippet: Deselect All Layers (2 Different Methods)

Deselect All Layers.jsx

// Deselect All Layers  
// forums.adobe.com/message/5204655#5204655 - Michael L Hale  
app.runMenuItem(stringIDToTypeID('selectNoLayers'));

// Or...

// Deselect All Layers (AM Code Through Clean SL)
selectNoLayers();
function selectNoLayers() {
	var c2t = function (s) {
		return app.charIDToTypeID(s);
	};

	var s2t = function (s) {
		return app.stringIDToTypeID(s);
	};

	var descriptor = new ActionDescriptor();
	var reference = new ActionReference();

	reference.putEnumerated( s2t( "layer" ), s2t( "ordinal" ), s2t( "targetEnum" ));
	descriptor.putReference( c2t( "null" ), reference );
	executeAction( s2t( "selectNoLayers" ), descriptor, DialogModes.NO );
}