Untitled


<html>
<body>
<div>
Enter the length of character:
<input type='text' id="num">
<button onclick="stringGen()">submit</button>
<p id="result"></p>
</div>
<script type="text/javascript" >

function stringGen()
{
   //Type your code here.

  var lenn=document.getElementById("num");

   var arr='abcdefghijklmnopqrstuvwxyz0123456789';

  var a='';
  for(let i=0;i<lenn;i++){
    var pos=Math.random()*(35-0);
    a=a+arr[pos];


  }

  document.getElementById("demo").innerHTML = a;
   // return a; //Enter your return statement
}


</SCRIPT>
</body>
</html>