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源码-JavaScript&jQuery交互式前端开发-第7章-JQuery-修改内容

2016-09-27 19:17 751 查看

示例效果：

JS代码：

$(function() {
$('li:contains("pine")').text('almonds');
$('li.hot').html(function() {
return '<em>' + $(this).text() + '</em>';
});
$('li#one').remove();
});

HTML代码：

<!DOCTYPE html>
<html>
<head>
<title>JavaScript & jQuery - Chapter 7: Introducing jQuery - Looping</title>
<link rel="stylesheet" href="css/c07.css" />
</head>
<body>
<div id="page">
<h1 id="header">List</h1>
<h2>Buy groceries</h2>
<ul>
<li id="one" class="hot"><em>fresh</em> figs</li>
<li id="two" class="hot">pine nuts</li>
<li id="three" class="hot">honey</li>
<li id="four">balsamic vinegar</li>
</ul>
</div>
<script src="js/jquery-1.11.0.js"></script>
<script src="js/changing-content.js"></script>
</body>
</html>
CSS代码：

@import url(http://fonts.googleapis.com/css?family=Oswald);

body {
background-color: #000;
font-family: 'Oswald', 'Futura', sans-serif;
margin: 0;
padding: 0;}

#page {
background-color: #403c3b;
margin: 0 auto 0 auto;
position: relative;
text-align: center;}
/* Responsive page rules at bottom of style sheet */

h1 {
background-image: url(../images/kinglogo.png);
background-repeat: no-repeat;
background-position: center center;
text-align: center;
text-indent: -1000%;
height: 75px;
line-height: 75px;
width: 117px;
margin: 0 auto 0 auto;
padding: 30px 10px 20px 10px;}

h2 {
color: #fff;
font-size: 24px;
font-weight: normal;
text-align: center;
text-transform: uppercase;
letter-spacing: .3em;
display: inline-block;
margin: 0 0 23px 0;}

h2 span {
background-color: #fff;
color: #000;
font-size: 12px;
text-align: center;
letter-spacing: 0;
display: inline-block;
position: relative;
border-radius: 50%;
top: -5px;
height: 22px;
width: 26px;
padding: 4px 0 0 0;}

ul {
border:none;
padding: 0;
margin: 0;}

li {
background-color: #ec8b68;
color: #fff;
border-top: 1px solid #fe9772;
border-bottom: 1px solid #9f593f;
font-size: 24px;
letter-spacing: .05em;
list-style-type: none;
text-shadow: 2px 2px 1px #9f593f;
text-align: left;
height: 50px;
padding-left: 1em;
padding-top: 10px;}

li a {
color: #fff;
background-image: url('../images/icon-link.png');
background-position: right, center;
background-repeat: no-repeat;
text-decoration: none;
padding-right: 36px;}

li.complete a {
background-image: none;}

p {
background-color: #fff;
color: #666;
padding: 10px;
display: inline-block;
margin: 20px auto 20px auto;
width: 80%;
border-radius: 5px;
text-align: center;}

.hot {
background-color: #d7666b;
color: #fff;
text-shadow: 2px 2px 1px #914141;
border-top: 1px solid #e99295;
border-bottom: 1px solid #914141;}

.cool {
background-color: #6cc0ac;
color: #fff;
text-shadow: 2px 2px 1px #3b6a5e;
border-top: 1px solid #7ee0c9;
border-bottom: 1px solid #3b6a5e;}

.complete {
background-color: #999;
color: #fff;
background-image: url("../images/icon-trash.png");
background-position: right, center;
background-repeat: no-repeat;
border-top: 1px solid #666;
border-bottom: 1px solid #b0b0b0;
text-shadow: 2px 2px 1px #333;}

.complete a {display:block;}

.favorite {
background-image: url('../images/icon-heart.png');
background-position: right, center;
background-repeat: no-repeat;}

em.seasonal
{
background-image: url('../images/icon-calendar.png');
background-position: left center;
background-repeat: no-repeat;
padding-left: 30px;}

/* FORM STYLES */

form {
padding: 0 20px 20px 20px;}

label {
color: #fff;
display: block;
margin: 10px 0 10px 0;
font-size: 24px;}

input[type='text'], input[type='password'], textarea {
background-color: #999;
color: #333;
font-size: 24px;
width: 96%;
padding: 4px 6px;
border: 1px solid #999;
border-radius: 8px;}

input[type='submit'], a.add, button, a.show {
background-color: #cb6868;
color: #f3dad1;
border-radius: 8px;
border: none;
padding: 8px 10px;
margin-top: 10px;
font-family: 'Oswald', 'Futura', sans-serif;
font-size: 18px;
text-decoration: none;
text-transform: uppercase;}

input[type='submit'], a.add, button {
float: right;}

input[type='text']:focus, input[type='password']:focus, textarea:focus {
border: 1px solid #fff;
background-color: #fff;
outline: none;}

input[type='submit']:hover, a.add:hover, a.show:hover {
background-color: #000;
color: #fff;
cursor: pointer;}

::-webkit-input-placeholder {color: #403c3b; font-family: arial, sans-serif;}
:-moz-placeholder { /* Firefox 18- */ color: #403c3b; font-family: arial, sans-serif;}
::-moz-placeholder { /* Firefox 19+ */ color: #403c3b; font-family: arial, sans-serif;}
:-ms-input-placeholder { color: #403c3b; font-family: arial, sans-serif;}

textarea {
width: 96%;
height: 5em;
line-height: 1.4em;}

select, option {
font-size: 16px;}

#feedback, #termsHint {
color: #fff;
background-image: url('../images/warning.png');
background-repeat: no-repeat;
background-position: 2px 14px;
padding: 10px 0 0 22px;}

#packageHint {
color: #fff;
background-image: url('../images/hint.png');
background-repeat: no-repeat;
background-position: 2px 5px;
padding-left: 22px;}

label.selectbox {
display: inline;}

label.checkbox {
display: inline;
font-size: 16px;}

/* Link to show list */
h2 a {
font-size: 12px; }

a.show{
font-size: 12px;
padding: 5px;
letter-spacing: 0;
position: relative;
top: -5px;
left: 10px;}

/* form example */
#newItemButton {padding: 10px 20px 75px 20px; display: none;}
#newItemForm {padding-top: 20px;}
#itemDescription {width: 360px;}
#newItemForm input[type='submit'] {margin-top: 0; text-align: left;}

/* Attributes example */
#group {
margin: 10px;
border: 2px solid #fff;}

/* Events object */
.date, li i {
font-size: 12px;
padding-left: 8px;}

/* Additional styles for position example */
#slideAd {
width: 130px;
height: 60px;
background-color: #403c3b;
background-image: url('../images/adverlion.png');
background-repeat: no-repeat;
background-position: 10px center;
color: #fff;
border-top: 1px solid #fff;
border-left: 1px solid #fff;
border-bottom: 1px solid #fff;
padding: 25px 20px 10px 85px;
position: fixed;
bottom: 20px;
right: -235px;
text-transform: uppercase;}

#footer {
background:none;
color: #fff;}

/* Small screen:mobile */
@media only screen and (max-width: 500px) {
body {
background-color: #403c3b;
}
#page {
max-width: 480px;
}
}
@media only screen and (min-width: 501px) and (max-width: 767px) {
#page {
max-width: 480px;
margin: 20px auto 20px auto;
}
}
@media only screen and (min-width: 768px) and (max-width: 959px) {
#page {
max-width: 480px;
margin: 20px auto 20px auto;
}
}
/* Larger screens act like a demo for the app */
@media only screen and (min-width: 960px) {
#page {
max-width: 480px;
margin: 20px auto 20px auto;
}
}
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
h1{
background-image: url(../images/2xkinglogo.png);
background-size: 72px 72px;
}
}

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