Change title of Document Library programatically with JSOM

Question

I am trying to change the title of one of the document libraries programatically with JSOM.

This is the code but it is not working... any ideas?

function UpdateDocumentLibraryName(oNewWebsite) {

var oList = oNewWebsite.get_lists().getByTitle('Documentos');

oList.set_title = 'Contenidos Pedagogia';
oList.update();
context.load(oList);
}

Answer 1

You are missing SP.ClientContext.executeQueryAsync method that performs the changes.

How to update List title via JSOM:

var oldListTitle = 'Documents';
var newListTitle = 'Public Documents';

var context = SP.ClientContext.get_current();
var list = context.get_web().get_lists().getByTitle(oldListTitle);   
list.set_title(newListTitle);
list.update();
context.executeQueryAsync(
function(){
  console.log('List Title has been updated');    
}, 
function(sender,args){
  console.log(args.get_message());    
});    

Answer 2

try this code

function UpdateDocumentLibraryName(oNewWebsite) {

var oList = oNewWebsite.get_lists().getByTitle('Documentos');

oList.set_title('Contenidos Pedagogia');
oList.update();
context.load(oList);
}

If above not worked then check this post: http://sharepointreffer.blogspot.com/2013/08/updateedit-list-title-using-javascript.html