JavaScript_test/hrefTest.html at master · andychiu923/JavaScript_test · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>hrefTest</title>
	<style type="text/css">
		.red {
			color: red;
		}

		.green {
			color: green;
		}

		.yellow {
			background-color: yellow;
		}
	</style>
	<script src="jquery-3.2.1.min.js"></script>
	<script>
		$(document).ready(function() {
			$('a.select1').click(function() {
				$('a').removeClass();
				$('a').addClass('red');
				return false;
			});
			$('a.select2').click(function() {
				$('a').removeClass();
				$('#mainNav a').addClass('green');
				$('.navigation a').addClass('yellow');
				return false;
			});
			$('a.select3').click(function() {
				$('a').removeClass();
				$('a[href^="http://"]').addClass('yellow');
				return false;
			});
		});
	</script>
</head>
<body>
	<div class="content">
		<div class="navigation">
			<ul id="mainNav">
				<li><a href="http://www.google.com">Google</a></li>
				<li><a href="http://www.yahoo.com.tw">Yahoo</a></li>
				<li><a href="http://www.hinet.net">Hinet</a></li>
				<li><a href="http://www.pchome.com.tw">PCHome</a></li>
				<li><a href="#about">About Me</a></li>
			</ul>
		</div>
	</div>
	<a href="#" class="select1">全部超連結</a>
	<a href="#" class="select2">巡覽超連結</a>
	<a href="#" class="select3">URL 網址超連結</a>
</body>
</html>