maia-util/es6/copy_to_clipboard.js

Utility math and music functions supporting various applications by Music Artificial Intelligence Algorithms, Inc.

/**
 * This function calculates the sample standard deviation of an input array.
 *
 * @author Tom Collins
 * @comment 13th April 2020
 * @param {number|booelan[]} arr - An array.
 * @param {string|number|booelan[]} [cdf] - An array.
 * @return {(string|number|booelan)} An element from `arr`.
 *
 * @example
 *     copy_to_clipboard("Hi there!")
 * →
 * (Copies the text "Hi there!" to the clipboard.)
 */
export default function copy_to_clipboard(copyText, alertText){
  let dummy = document.createElement("input")
  document.body.appendChild(dummy)
  dummy.setAttribute("id", "dummy_id")
  document.getElementById("dummy_id").value = copyText
  dummy.select()
  dummy.setSelectionRange(0, 99999)
  document.execCommand("copy")
  document.body.removeChild(dummy)
  if (alertText == undefined){
    alert("Link copied to clipboard:\n" + copyText)
  }
  else {
    alert(alertText)
  }
}