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css之display

HTML5

display

css定位属性Positioning

display: none

不再页面渲染元素

<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>css-test</title>
  <style>
    .content {
      display: none;
    }
  </style>
</head>

<body>
  <p class="content">这一段落不会被显示出来</p>
  <p>这个段落会被显示出来</p>
  <p>当一个元素中的display属性是none时,浏览器不会渲染这个元素里的任何内容,不会占据浏览器窗口空间,但它存在与文档流当中。</p>
</body>

</html>
display: block

块级元素

<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>css-test</title>
  <style>
  </style>
</head>

<body>
  <p>p元素默认是block块级元素</p>
  <div>div默认也是block块级元素</var></div>
  <p>块级元素的特点:元素的内容会充满整行</p>
</body>

</html>
display: inline

行内元素

<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>css-test</title>
  <style>
    .content {
      display: inline
    }
  </style>
</head>

<body>

  <div class="content">display属性为inline的元素被称为内连元素。</var></div>
  <div class="content">相邻元素也是inline属性时,如果内容不够撑开整行。相邻元素的内容会显示在它傍边,当窗口整行不够显示时,内容会换行显示。</div>
</body>

</html>
display: inline-block

行内块级元素

<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>css-test</title>
  <style>
    .content {
      display: inline-block
    }
  </style>
</head>

<body>
  <div class="content">display属性为inline-block的元素被称为行内块级元素。</var></div>
  <div class="content">行内块级元素的特性是独占一行,内容不会撑开整行</div>
</body>

</html>
display: flex

弹性布局

<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>css-test</title>
  <style>
    .content {
      display: flex
    }
  </style>
</head>

<body>
  <div class="content">
    <div>1</div>
    <div>2</div>
    <div>3</div>
    <div>4</div>
  </div>
  <p>class="content" 的元素会占用整行</p>
  <p>子元素宽高由内容撑开</p>
  <div class="Primitive">
    <div>1</div>
    <div>2</div>
    <div>3</div>
    <div>4</div>
  </div>
</body>

</html>
display: inline-flex
<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>css-test</title>
  <style>
    .content {
      display: inline-flex
    }
  </style>
</head>

<body>
  <div class="content">
    <div>1</div>
    <div>2</div>
    <div>3</div>
    <div>4</div>
  </div>
  <p>class="content" 的元素宽高由子元素撑开</p>
  <p>子元素宽高由内容撑开</p>
  <div class="Primitive">
    <div>1</div>
    <div>2</div>
    <div>3</div>
    <div>4</div>
  </div>
</body>

</html>
display: list-item

列表属性

<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>css-test</title>
  <style>
    .content {
      display: list-item
    }
  </style>
</head>

<body>
  <div class="content">display属性为list-item时元素会作为列表显示</var></div>
  <div class="content">下班要买菜</div>
  <div class="content">回家要做饭</div>
</body>

</html>
display: inherit

继承父级元素的属性

<!DOCTYPE html>
<html lang="zh">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>css-test</title>
  <style>
    .content {
      display: inherit
    }
  </style>
</head>

<body>
  <div>
    <span>正常的span元素效果,内容不会撑开整行</span>
    <span class="content">继承父级属性的效果,父级的display属性值是block 继承后内容撑开整行</span>
  </div>
</body>

</html>
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