CodePen Embed - event

<input
  id='xxx'
  type="button"
  value="click">

const btn = document.getElementById('xxx')
btn.addEventListener(
  'click', 
  e => alert('Hello World'),
  false
)
btn.addEventListener(
  'click', 
  e => alert('Good Bye'),
  false
)

This Pen is owned by waku-waku on CodePen.

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