xhackjp1/OnClick.html

## OnClick.html
<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title></title>
  </head>
  <body>
    <p>Hello World!</p>
    <button type="button" name="button" onclick="sample()">Click Me!</button>

    <script>
    var n = 0;
    function sample() {
      var p = document.createElement('p');
      p.textContent = 'こんにちは!' + n++;
      //document内のbody要素の中にpタグを挿入する
      document.body.appendChild(p);
    }
    </script>
  </body>
</html>
	<!DOCTYPE html>
	<html lang="en" dir="ltr">
	<head>
	<meta charset="utf-8">
	<title></title>
	</head>
	<body>
	<p>Hello World!</p>
	<button type="button" name="button" onclick="sample()">Click Me!</button>

	<script>
	var n = 0;
	function sample() {
	var p = document.createElement('p');
	p.textContent = 'こんにちは!' + n++;
	//document内のbody要素の中にpタグを挿入する
	document.body.appendChild(p);
	}
	</script>
	</body>
	</html>