Main.html

<h1>Main Page</h1>
<style>
    .button {
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
  }
  .button1 {background-color: #4CAF50;}
</style>
<button onclick="random()" id = "random" class="button button1">
New File
  </button>
  <script>
      function random(){
        var key = '';
        const allowed ='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
        for (let i = 0; i < Math.floor(Math.random() * 10); i++) {
			key = key+allowed.charAt(Math.floor(Math.random() * allowed.length));
		}
window.location = "/edit/"+key;
      }
  </script>