Returns the last index of element in this list.
Returns the last index of element in this list.
Searches the list backwards from index start to 0.
The first time an object o
is encountered so that o == element
,
the index of o
is returned.
List<String> notes = ['do', 're', 'mi', 're'];
notes.lastIndexOf('re', 2); // 1
If start is not provided, this method searches from the end of the list./Returns
notes.lastIndexOf('re'); // 3
Returns -1 if element is not found.
notes.lastIndexOf('fa'); // -1