IT2project.html

<!DOCTYPE html>
<html>
<head>
    <title>second</title>
    
       
    <script type="text/javascript">
        var word=prompt("enter a string");
      
       
        function permute (word) {
           
    if (word.length < 2) {
    return [word];
    } else {
        var permutations = [];
        for (var i = 0; i < word.length; i++) {
            var letter = word[i];
             if (word.indexOf(letter) != i)
            continue;

            var shorterWord = word.substr(0, i) + word.substr(i + 1, word.length - 1);
            var shortwordArray = permute(shorterWord);
            for (var j = 0; j < shortwordArray.length; j++) {
                permutations.push(letter + shortwordArray[j]);
            }
        }
         
       return permutations;
    }
    

}
alert(permute(word));


    </script>
</head>
<body>
   
 
</div>

</body>
</html>