Checking for a palindrome using Javascript

palidnrome-checker.js

function palindromeCheck(){
    let word = prompt("Write a word:")
    let collection = []
    //adding letters from word to collection
    for(let i = 0; i < word.length; i++ ){
        collection.push(word[i]);
    }

    this.front = function(){
        return collection[0]
    };
    console.log(collection[0])

    for(let i = 0; i < word.length; i++){
        rword = rword + collection.pop()
    }
    console.log("Reversed word: " + rword)
    

    if(rword === word){
        console.log(word + " is a palindrome")
    } else{
        console.log(word + " is not a palindrome")
    }
    return rword;
}

palindromeCheck()