JSFiddle - React, Tailwind, and code Playground

HTML

<input id="toClipboard" value="text to clipboard"/>
    <button onclick='CopyToClipboard ()'>Copy text to clipboard</button>
    <br /><br />
    <button onclick='ShowClipboardContent ();'>Show text data in clipboard</button>
    <button onclick='ClearClipboard ();'>Clear text data from clipboard</button>

JavaScript

function CopyToClipboard () {
            var input = document.getElementById ("toClipboard");
            window.clipboardData.setData ("Text", input.value);
        }
        function ShowClipboardContent () {
            alert (window.clipboardData.getData ("Text"));
        }
        function ClearClipboard () {
            window.clipboardData.clearData ("Text");
        }