standard.center 
    Audio     Button     Canvas     Controller     DropDown     Html     Image     MediaRecorder     Scale     Text     TextInput     Tooltip     Video         Youtube   
 description
Makes the element appear centered on the horizontal axis.
syntax
getX(ELEMENT_NAME).center() example(s)
@
@newText("helloworld", "Hello world")
$    .center()
@    .print()
- Prints Hello world onto the screen, horizontally centered.