<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>jQuery的排他思想</title>
<script src="jquery-1.11.3.min.js"></script>
</head>
<body>
<button>快速</button>
<button>快速</button>
<button>快速</button>
<button>快速</button>
<button>快速</button>
<button>快速</button>
<button>快速</button>
<script>
$(‘button‘).click(function() {
$(this).css(‘color‘,‘red‘);
$(this).siblings().css(‘color‘,‘‘);
// $(this).css(‘color‘,‘red‘).siblings().css(‘color‘,‘‘);
})
</script>
</body>
</html>
原文：https://www.cnblogs.com/wuyuchuan/p/14809138.html