Obtén el personaje medio js
function getMiddle(s)
{
var position;
var length;
if(s.length % 2 == 1) {
position = s.length / 2;
length = 1;
} else {
position = s.length / 2 - 1;
length = 2;
}
return s.substring(position, position + length)
}
Important Ibis