JSFiddle - React, Tailwind, and code Playground

by JInks Peng

HTML

<input type='text' id='txt' value='hibiden copy and paste'/>

CSS

#txt{
    width:200px;
    height:50px;
}

JavaScript

window.onload = function() {
    var txt = document.getElementById('txt');
    txt.oncopy = function() {
      alert('can not copy!');
      return false;
    }
    txt.onpaste = function() {
       alert('can not pasted!');
      return false; 
    }
}