hello-javascript-2020/elements.html at main · rogerd330/hello-javascript-2020 · GitHub

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<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Document</title>

	<style>

		.hidden {
			text-decoration: line-through;
		}

	</style>

</head>
<body>


	<script>

		let heading = document.createElement('h1');

		let message = document.createTextNode('Hello World');
		heading.appendChild(message);

		console.log(heading);

		let body = document.getElementsByTagName('body');
		body[0].appendChild(heading);
		console.log(body);

		let week = document.createElement("ul");
		week.addEventListener('click', hide);
		body[0].appendChild(week);

		let days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturay", "Sunday"];
		days.forEach(function(dayName) {
			let day = document.createElement("li");
			day.innerText = dayName;

			week.appendChild(day);
		})

		function hide(event) {
			console.log('hiding a day of the week: ' + event.target.innerText);
			event.target.classList.toggle('hidden');

		}

	</script>

</body>
</html>