EventTarget.addEventListener(type.listener.options.useCapture)

  • type
  • listener
  • option
  • useCapture
    • trueDiv > span
    • falseSpan > div
document.write(`<body><div id="div">div <span id="span">span</span></div>`);

div.addEventListener('click'.() = >alert('div'))
span.addEventListener('click'.() = >alert('span'))
// "span" -> "div"

div.addEventListener('click'.() = >alert('div'), true)
span.addEventListener('click'.() = >alert('span'), true)
// "div" -> "span"
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