Word Game JS

var commonWords = [
  "the","of","and","a","to","in","is","you","that","it","he",
  "was","for","on","are","as","with","his","they","I","at","be",
  "this","have","from","or","one","had","by","word","but","not",
  "what","all","were","we","when","your","can","said","there",
  "use","an","each","which","she","do","how","their","if","will",
  "up","other","about","out","many","then","them","these","so",
  "some","her","would","make","like","him","into","time","has",
  "look","two","more","write","go","see","number","no","way",
  "could","people","my","than","first","water","been","call",
  "who","oil","its","now","find","long","down","day","did","get",
  "come","made","may","part"
];

var myFavoriteInstructors = ["Patrick", "Kenji", "J-Wo", "Azam", "Dorton"];

// Create a function that choses a random word from `commonWords` and returns it
var chooseRandomWord = function(array) {
    var index = Math.floor((Math.random() * array.length));
    return array[index];
}

var chosenWord = chooseRandomWord(commonWords);
var counter = 10;
var triedCharacters = [];
var correctCharacters = [];

var chosenWordSplit = chosenWord.split("");

var checkForCharacter = function(character) {
    for(let i = 0; i < chosenWordSplit.length; i++){
        if(character === chosenWordSplit[i]){
            console.log("Match found!");
            return true;
        } else {
            console.log("Match not found.");
            return false;
        }
    }
}

checkForCharacter("a");

console.log(chosenWordSplit);