jquery链式编程
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<meta charset="utf-8" />
<script src="jquery-3.3.1.js"></script>
<script>
$(function () {
$('#btn').click(function () {
$('p').click(function () {
$(this).css('color', 'red');
}).mouseover(function () {
$(this).css('cursor', 'pointer');
}).mouseout(function () {
$(this).css('color', '');
});
});
});
</script>
</head>
<body>
<input type="button" name="name" value="改变" id="btn" />
<p>床前明月光</p>
<p class="cls">疑是地上霜</p>
<p>举头望明月</p>
<p>低头思故乡</p>
</body>
</html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<meta charset="utf-8" />
<script src="jquery-3.3.1.js"></script>
<script>
$(function () {
$('#btn').click(function () {
$('p').click(function () {
$(this).css('color', 'red');
}).mouseover(function () {
$(this).css('cursor', 'pointer');
}).mouseout(function () {
$(this).css('color', '');
});
});
});
</script>
</head>
<body>
<input type="button" name="name" value="改变" id="btn" />
<p>床前明月光</p>
<p class="cls">疑是地上霜</p>
<p>举头望明月</p>
<p>低头思故乡</p>
</body>
</html>
