Using jQuery to add one tag into another tag

Question

got a quandary i was hoping you kind folks could help me out with...

goal:

Using jQuery, I'm trying to add all the occurrences of:

<pre> ... </pre>

with:

<pre><code> ... </code></pre>

Answer 1

Use the .wrapInner()

$("pre").wrapInner("<code></code>");

Answer 2

$('pre').wrapInner('<code>');

Ref: wrapInner

jsFiddle example

Answer 3

$('pre').html('<code>'+$('pre').html()+'</code>');