sonburn

var selection = context.selection;

for (var i = 0; i < selection.count(); i++) {
	var layer = selection[i];
	
	if ([layer class] === MSSymbolInstance) {
		layer.setName([layer symbolMaster].name());
	}
}

sonburn

var doc = context.document;

// Deselect everything
doc.currentPage().deselectAllLayers();

// Recursive execute through all layers
selectSliceRecursive(doc.currentPage());

function selectSliceRecursive(layer) {
	if (layer instanceof MSSymbolInstance) {

sonburn

var doc = context.document
var page = doc.currentPage()
var pages = doc.pages()
var count = 0;
     
var navbarSymbol = findSymbolByName("Material/Bar/Nav");
     
for (i = 0; i < pages.count(); i++) {
    var artboards = pages[i].artboards()
     

sonburn

var predicate = NSPredicate.predicateWithFormat("className == 'MSSymbolMaster'"),
    masters = context.document.currentPage().children().filteredArrayUsingPredicate(predicate),
    mastersLoop = masters.objectEnumerator(),
    master;

while (master = mastersLoop.nextObject()) {
    var pages = context.document.pages(),
        pagesLoop = pages.objectEnumerator(),
        page,
        count = 0;

sonburn

var selections = context.selection,
	loop = selections.objectEnumerator(),
	selection;

while (selection = loop.nextObject()) {
	var rectangle = MSRectangleShape.new();

	rectangle.frame().x = selection.frame().x();
	rectangle.frame().y = selection.frame().y();
	rectangle.frame().width = selection.frame().width();

sonburn

var symbols = context.selection,
	symbolLoop = symbols.objectEnumerator(),
	symbol;

while (symbol = symbolLoop.nextObject()) {
	var pages = context.document.pages(),
		pagesLoop = pages.objectEnumerator(),
		page,
		master,
		count = 0;

sonburn

var artboards = context.document.valueForKeyPath("pages.@unionOfArrays.artboards"),
    loop = artboards.objectEnumerator(),
    artboard;

while (artboard = loop.nextObject()) {
    artboard.exportOptions().setLayerOptions(2);
}

sonburn

var layerName = "Native/Bar/Nav",
	predicate = NSPredicate.predicateWithFormat("name == %@",layerName),
	layers = context.document.currentPage().children().filteredArrayUsingPredicate(predicate);

for (i = 0; i < layers.length; i++) {
	layers[i].setIsLocked(0);
	layers[i].frame().setHeight(42);
	layers[i].select_byExpandingSelection(true,false);
context.document.actionsController().actionForID("MSAlignLayersBottomAction").doPerformAction(nil);
	layers[i].setIsLocked(1);

sonburn

var libraries = AppController.sharedInstance().librariesController().libraries(),
    libraryLoop = libraries.objectEnumerator(),
    library;

while (library = libraryLoop.nextObject()) {
    // Do something
}

sonburn

for (var obj in arr) {
    var i = Object.keys(arr).indexOf(obj);
}