Filter out extras
JavaScript
var uniqueInOrder=function(iterable){
//your code here - remember iterable can be a string or an array
var returnArray = [];
var last;
for (var i = 0; i < iterate.length; i++) {
if (iterate[i] !== last) {
returnArray.push(last = iterate[i]);
}
}
return returnArray;
}
uniqueInOrder([1,2,2,3,3]);
uniqueInOrder('ABBCcAD');
uniqueInOrder('AAAABBBCCDAABBB');