HTML/CSS/Text/code

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Blocked and preserved Code

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title></title>
<style type="text/css" media="Screen">
* .blocked {
  display: block;
}
* .preserved {
  white-space: pre;
}
</style>
</head>
<body>
<p>
    <code class="blocked preserved"> 
    
    *.blocked { display:block; } 
    *.preserved { white-space:pre; } 
    *.code { font-family:monospace; } 
    
    
    </code> 
</p> 

</body>
</html>



code Element For Adding Code to Your Web Pages

 

<?xml version="1.0" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
  <title>Representing Code, Keyboard Instructions and Programming Variables</title>
</head>
<body>
<h2>The &lt;code&gt; Element For Adding Code to Your Web Pages</h2>
<p>The following line appears inside a &lt;code&gt; element.</p>
<p><code>&lt;h1&gt;This is a primary heading&lt;/h1&gt;</code></p>
</body>
</html>



code must be within pre (inline elements can"t contain block-level elements)

 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>Listing 4-18. Code</title>
</head>
<body>
  <pre><code>
  function helloWorld() { 
    var button = document.getElementById("button"); 
    if (button) { 
      button.onclick = function(){ 
        alert("Hello world!"); 
      } 
    } 
  }
  </code></pre>
</body>
</html>



Displaying blocks of code online

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <meta http-equiv="content-type" content="text/html; charset=utf-8" />
  <title>Displaying blocks of code online</title>
<style type="text/css" media="screen">
body {
    font: 62.5%/1.5 Verdana, Arial, Helvetica, sans-serif;
    padding: 20px;
}
    
.codeList {
    border: 1px solid #aaa;
}
    
.codeList dt {
    background: #dddddd;
    padding: 7px;
    font-weight: bold;
    border-bottom: 2px solid #ccc;
}
    
.codeList li {
    background: #ddd;
    margin-left: 2.5em;
}
    
.codeList code {
    background: #eaeaea;
    display: block;
    border-bottom: 2px solid #ffffff;
    border-right: 2px solid #ffffff;
    font : 1.2em "Courier New", Courier, monospace;
    padding: 2px 10px;
}
</style>
</head>
<body>
  <div id="wrapper">
    <dl class="codeList">
      <dt>Writing out list styles in full</dt>
      <dd>
        <ol>
          <li><code>import java</code></li>
          <li><code>class MainClass{</code></li>
          <li><code>  int i;</code></li>
          <li><code>public static void main</code></li>
          <li><code>}</code></li>
        </ol>
      </dd>
    </dl>
  </div>
</body>
</html>



Formula input

 
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title></title>
<style type="text/css" media="Screen">
* .nowrap {
  white-space: nowrap;
}
* .preserved {
  white-space: pre;
}
</style>
</head>
<body>
<p><code class="nowrap preserved">a = x(y<sup>2</sup> + z<sup>3</sup>) + 1</code>. 
</body>
</html>