var firstPalindrome = function(words) {
let result = "";
for(let i = 0; i < words.length; i++){
if(isPalindromicString(words[i])){
result = words[i];
break;
}
}
return result;
};
function isPalindromicString(word) {
const originString = word;
const reverseString = word.split('').reverse().join('');
return originString === reverseString;
}