JSFiddle - React, Tailwind, and code Playground

by Bhabani Raju

HTML

<input type="text" id="code">
<button onClick="myfun()">
Submit
</button>

JavaScript

var eventallcode = ["abc","def","GHI2"]
  var evntcode = document.getElementById("code").value;
  
  function myfun(){
   alert(evntcode);
   if(eventallcode.indexOf(evntcode) == -1){
  alert('block');
  return false;
  }
  alert('pass');
     reutrn true;
  
  }