How can I show code (specifically C++) in an HTML page?

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How can I show code in a website using HTML? Basically, I have a C++ program that I\'d like to share on my website and I want to show it in the page.

Is there anyway to

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南旧

2021-02-05 15:39
HTML includes a tag called <code>, which is meant for the purpose you describe.

The spec even includes an example class name convention to indicate which language the code is in:
```
<pre><code class="language-pascal">var i: Integer;
    begin
        i := 1;
    end.</code></pre>
```
I don’t know of any web browser that supports such a convention (come on, Chrome), but the JavaScript syntax highlighters mentioned in other answers could use it to work their magic.

As you can see in the example, the <code> tag is usually wrapped in the <pre> tag, which preserves white space, which is often important for code.
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日久生厌

2021-02-05 15:49

You can use SyntaxHighlighter. It will unobtrusively enhance code samples on your page with specific syntax highlighting for a wide range of languages.

Here's an example for C++

<head>
  <link href="css/shCore.css" rel="stylesheet" type="text/css" />
  <link href="css/shThemeDefault.css" rel="stylesheet" type="text/css" />
</head>

<body>
  <pre class='brush: cpp'>
  // my first program in C++
  #include <iostream>
  using namespace std;

  int main ()
  {
    cout << "Hello World!";
    return 0;
  }
  </pre>

  <script src="js/shCore.js"></script>
  <script src="js/shBrushCpp.js"></script>
  <script>
    SyntaxHighlighter.all()
  </script>
</body>

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醉话见心

2021-02-05 15:51

There are various syntax highlighters out there. Google Code Prettify is a pretty good one. (Good enough for Stack Overflow to use, anyway.)

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