js copy from clipboard code example

Example 1: javascript text to clipboard

function copyToClipboard(text) {
   const elem = document.createElement('textarea');
   elem.value = text;
   document.body.appendChild(elem);
   elem.select();
   document.execCommand('copy');
   document.body.removeChild(elem);
}

Example 2: js copy text to clipboard

function copy() {
  var copyText = document.querySelector("#input");
  copyText.select();
  document.execCommand("copy");
}

document.querySelector("#copy").addEventListener("click", copy);

Example 3: how to access clipboard via js

navigator.clipboard.readText().then(clipText =>
  document.getElementById("outbox").innerText = clipText);

Example 4: node.js copy to clipboard

// Copy to clipboard in node.js
const child_process = require('child_process')

// This uses an external application for clipboard access, so fill it in here
// Some options: pbcopy (macOS), xclip (Linux or anywhere with Xlib)
const COPY_APP = 'xclip'
function copy(data, encoding='utf8') {
  const proc = child_process.spawn(COPY_APP)
  proc.stdin.write(data, {encoding})
  proc.stdin.end()
}

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