fibonacci.html

<xml><input id="input" type="text">
<button onclick="runFibonacci()">Submit</button>
<div id="result">[]</div>
<script>
  function runFibonacci(){
 var N = document.getElementById('input').value,
    result = document.getElementById('result'),
    array = [];
 var f_sequence = fibonacci();
 for (var i = 0; i < N; i++){
  array.push(f_sequence(i))
 }
 result.innerHTML = array.toString();
}
function fibonacci(){
	var array = {};
  function f(N){
  	var value;
    if (N in array){
      console.log('mem')
      value = array[N];
    }else{
      if (N === 0 || N === 1){
        value = N
      }else{
        value = f(N-1) + f(N-2);
      }
      array[N] = value;
    }
    return value
  }
  return f
}
</script>
</xml>