motsu0/01copy-text.html

## 01copy-text.html
<input type="text" id="copy-text" value="これをコピーさせる"> <button id="bt-copy">copy</button>

## 01copy-text.js
document.getElementById('bt-copy').addEventListener('click',()=>{
  const target = document.getElementById('copy-text');
  target.select();
  document.execCommand('copy');
});
	document.getElementById('bt-copy').addEventListener('click',()=>{
	const target = document.getElementById('copy-text');
	target.select();
	document.execCommand('copy');
	});