<!--方法一, 建议-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
</head>
<body>
<button type="button" id="buttonid">绑定点击事件</button>
<script>
$('#buttonid').bind('click', function() {
console.log('button has clicked!');
});
</script>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C