Select Unparented #code_aeft

select-unparented.jsx

// Selects all Unparented Layers

var layers = app.project.activeItem.layers;
var num = app.project.activeItem.layers.length;
for(var i = 0; i < num;i++){
    var layer = layers[i+1];
    layer.parent === null ? layer.selected = true: null;
}