Automatic Copy and Paste Script

// Get the text you want to copy
var textToCopy = "Hello, World!";

// Create a textarea element dynamically
var textarea = document.createElement('textarea');

// Set the value of the textarea to the text you want to copy
<textarea.value = textToCopy;

// Append the textarea to the document
document.body.appendChild(textarea);

// Select the text inside the textarea
<textarea.select();

// Copy the selected text to the clipboard
document.execCommand('copy');

// Remove the textarea from the document
document.body.removeChild(textarea);