<h1>아래 버튼을 눌러보세용!</h1>
<button onclick="create_p()">나를 눌러라 휴먼</button>
<div>
</div>
button {
  width:200px;
  font-size:14pt;
}

div {
  width:100%;
}
let create = document.createElement('p')
let create_area = document.getElementsByTagName('div')[0]
console.log(create_area)

function create_p() {
  create.innerHTML = '하하하 나를 눌렀느냐 휴먼! '
  create_area.appendChild(create)
}
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