Copy arbitrary text to the clipboard in the browser

copy-text.js

// 🚨 🚨 🚨
// NOTE: According to MDN, `document.execCommand()` is deprecated. See:
// https://developer.mozilla.org/en-US/docs/Web/API/document/execCommand
// Instead, use the Clipboard API:
// https://developer.mozilla.org/en-US/docs/Web/API/Clipboard_API
// 🚨 🚨 🚨

function copy(text) {
  const input = document.createElement("input")
  input.type = "text"
  input.value = text

  input.addEventListener("click", () => {
    input.select()
    document.execCommand("copy")
    input.removeEventListener("click", this)
    document.body.removeChild(input)
  })

  document.body.appendChild(input)
  input.click()
}