blockscout/apps/block_scout_web/assets/js/lib/clipboard_buttons.js

import ClipboardJS from 'clipboard'
import $ from 'jquery'

const clipboard = new ClipboardJS('[data-clipboard-text]')

clipboard.on('success', ({ trigger }) => {
  const copyButton = $(trigger)
  copyButton.tooltip('dispose')
  copyButton.children().tooltip('dispose')

  const originalTitle = copyButton.attr('data-original-title')

  copyButton
    .attr('data-original-title', 'Copied!')
    .tooltip('show')

  copyButton.attr('data-original-title', originalTitle)

  setTimeout(() => {
    copyButton.tooltip('dispose')
  }, 1000)
})