gistfile1.txt

// isUniqueRepeated('aaaaa'); 
// ➞ true // because the character `a` is the single character which is repeated over the length of the array.

// isUniqueRepeated('aaabba'); 
// ➞ false // because there is not a single character which is repeated over the length of the array.

// isUniqueRepeated(''); 
// ➞ true // for empty strings return true.

// isUniqueRepeated('abcdef'); 
// ➞ false // because there is not a single character which is repeated over the length of the array.


function isUniqueRepeated(word){
let arr = word.split('');
let test = true;

for (let i=0; i<arr.length-1; i++){
    if(arr[i]!=arr[i+1]){
        test = false;
        break;

    }
    
    }

return test;

}



// //filterUniqueRepeated(["aaaaaa", "bc", "d", "eeee", "xyz"]) 
// ➞ ["aaaaaa", "d", "eeee"]

// filterUniqueRepeated(["88", "999", "22", "545", "133"]) 
// ➞ ["88", "999", "22"]

// filterUniqueRepeated(["xxxxo", "oxo", "xox", "ooxxoo", "oxo"]) 
// ➞ []
function filterUniqueRepeated(arrr){

    const result = arrr.filter(isUniqueRepeated);
    return result;
}
console.log(filterUniqueRepeated(["88", "999", "22", "545", "133"]));