Orientation Doesn't work anymore

[AokoMitsuu]

the example "Basic Example with Circle Tree with TopDown Orientation.html" : doesn't work
same for "Basic Example with TopDown Orientation.html"
error message :

pls help me i want to to a vertical tree

[mrk1989]

Try download a library from NPM... check here #135
I use this function :
.setOrientation('topToBottom')