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0709作业
杨发国的博客
Original
702 people have browsed it

笔记:

两个等号是值相等,三个等号是值和类型都要相等。

for和while循环区别,for先判断,后执行,while先执行循环体一下,再去判断,满足继续执行,否则退出循环。

作业1:布局案例,完成联系我们

代码

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="static/css/header.css">
    <link rel="stylesheet" href="static/css/footer.css">
    <link rel="stylesheet" href="static/css/contact.css">
    <title>联系我们</title>
</head>
<body>
<!-- 头部 -->
<div class="header">
    <div class="content">
        <ul class="nav">
            <li class="item"><a href="index.html">首页</a></li>
            <li class="item"><a href="news.html">公司新闻</a></li>
            <li class="item"><a href="products.html">最新产品</a></li>
            <li class="item"><a href="about.html">关于我们</a></li>
            <li class="item"><a href="contact.html">联系我们</a></li>
        </ul>
    </div>
</div>
<!-- 中间主体 -->
<div class="container">
    <!--   banner图-->
    <div class="banner">
        <img src="static/images/banner.jpg" alt="">
    </div>

    <!-- 1. 中间内容区块 -->
    <div class="wrap">
        <div class="main">
          <div class="content">
            <h3>联系我们</h3>
            <p>地址:陕西省西安市案板街</p>
            <p>电话:88888888</p>
          </div>
            <div class="ditu">
                <img src="static/images/ditu.png" alt="地图">
            </div>
        </div>
    </div>

    <!-- 2. 左侧分为上下二 -->
    <div class="left">
        <h3>栏目</h3>
        <div class="category">
            <ul>
                <li><a href="">公司新闻</a></li>
                <li><a href="">最新产品</a></li>
                <li><a href="">关于我们</a></li>
                <li><a href="">联系我们</a></li>
            </ul>
        </div>

    </div>

</div>

<!-- 底部 -->
<div class="footer">
    <div class="content">
        <p>
            <a href="">© PHP中文网版权所有</a>  | 
            <a href="">0551-88889999</a>  | 
            <a href="">皖ICP2016098801-1</a>
        </p>

    </div>
</div>
</body>
</html>

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css

实例

.container {
    width: 1000px;

    margin: 5px auto;
    /* 参考色块: 整个主体容器是灰色背景 */
    /*background-color: lightgray;*/

    /*包住浮动的子元素*/
    overflow: hidden;
}

.wrap {

    width: inherit;

    min-height: 800px;
    /*参考背景色*/
    /*background-color: cyan;*/
}


/* 左边栏样式 */
.left {
    width: 280px;
    min-height: 800px;
    /*background-color: lightcoral;*/
}




.wrap, .left {
    float: left;
}


.left {

    margin-left: -100%;
}
/*.right {*/

/*    margin-left: -280px;*/
/*}*/

.main {
    padding-left: 300px;
    /*padding-right: 280px;*/

    /*添加主体边框*/
    /*border: 1px solid #444444;*/

}

.banner {
    /*加到中间div上不会撑大盒子的*/
    padding: 0 15px;

}

.main h3 {
    margin: 10px auto;
    text-align: center;
    border-bottom: 1px solid;
}





/*左侧样式*/
.left h3 {
    margin: 10px auto;
    text-align: center;
    border-bottom: 1px solid;
}

.left ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.left li a {
    display: inline-block;
    width: 100%;
    height: 50px;
    background-color: black;
    color: white;
    text-decoration-line: none;
    line-height: 50px;
    text-align: center;
}

.left li a:hover {
    background-color: red;
    font-size: 1.1em;
}

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效果图

js作业

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>js练习作业</title>
</head>
<body>
<script>
    var username;
    if(username === undefined)
    {
        username = '杨发国';
    }
console.log(username);
    var n;
    n=30+40;
    console.log(n);
</script>
</body>
</html>

运行实例 »

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999.png

Correction status:qualified

Teacher's comments:你的JS作业呢?
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