WordPress.org

how to use?

you can use like this

<runcode>
         <script>alert('soncy');</script>
</runcode>

or

<runcode width="600" height="100" size="12">
         <script>alert('soncy');</script>
</runcode>

or

[runcode width="600" height="100" size="12"]
         <script>alert('soncy');</script>
[/runcode]