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/* Stack */

function palindrome(word){

var letters=[]; //this is our stack

var rword="";

//put letter of words into stack

for (var i=0; i <word.length; i++){

letters.push(word[i]);

}

//pop off the stack in reverse order

for (var i=0; i <word.length; i++){

rword +=letters.pop();

}

if (word === rword){

console.log(word + " is a palindrome");

}else{

console.log(word + " is not a palindrome");

}

}

palindrome("racecar");