Syntax Highlighting

HighlightJS

HTML

<!doctype html>
<html>
    <head>
        <meta charset="utf-8">

        <title>Title</title>
    </head>
    <body>
        <!-- Your content -->
    </body>
</html>

CSS

/*
=================================================================
SECTION
=================================================================
*/

/* Sub section 1 */
selector {

}

/* Sub section 2 */
selector {

}

/*
=================================================================
SECTION
=================================================================
*/

/* Sub section 1 */
selector {

}

/* Sub section 2 */
selector {

}

SCSS

$font-stack: Helvetica, sans-serif;
$primary-color: #333;

body {
  font: 100% $font-stack;
  color: $primary-color;
}

Less

@base: #f938ab;

.box-shadow(@style, @c) when (iscolor(@c)) {
    -webkit-box-shadow: @style @c;
    box-shadow:         @style @c;
}

.box-shadow(@style, @alpha: 50%) when (isnumber(@alpha)) {
    .box-shadow(@style, rgba(0, 0, 0, @alpha));
}

.box {
    color: saturate(@base, 5%);
    border-color: lighten(@base, 30%);
    div { .box-shadow(0 0 5px, 30%) }
}

JavaScript

/*
 *  Document   : app.js
 *  Author     : admcode
 */

var App = function() {

    // User Interface init
    var uiInit = function() {

    };

    return {
        init: function() {
            uiInit();
        }
    };
}();

// Initialize app when page loads
jQuery(function(){ App.init(); });

PHP

<?php
class App {
    function home()
    {
        // ...
    }

    function profile()
    {
        // ...
    }

    function settings()
    {
        // ...
    }
}

Ruby

# Output "I love Ruby"
say = "I love Ruby"
puts say

# Output "I *LOVE* RUBY"
say['love'] = "*love*"
puts say.upcase

# Output "I *love* Ruby"
# five times
5.times { puts say }

Python

name = raw_input('What is your name?\n')

print 'Hi, %s.' % name

JSON

{
    "menu": {
        "id": "file",
        "value": "File",
        "popup": {
            "menuitem": [
                {"value": "New", "onclick": "CreateNewDoc()"},
                {"value": "Open", "onclick": "OpenDoc()"},
                {"value": "Close", "onclick": "CloseDoc()"}
            ]
        }
    }
}