Copy to another div as you type in jquery

I'm trying to reproduce the same thing as stackoverflow does when you start typing in the editor it copies.

I have a input text and the text they enter I want it to be copied to another div as they ty开发者_如何学Pythonpe.

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$(document).ready(function() {
    $('#input').keypress(function() {
       $('#output').html($(this).val());
    });
});

Example/demo: http://jsfiddle.net/SYwpy/

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If you want to reproduce exactly what is here, did you look at the source?

I think this is what they use:

http://code.google.com/p/wmd-new/source/browse/wmd.js

Search in the file for the function pushPreviewHtml. You will see this line which may be of interest:

wmd.panels.output.innerHTML = "<pre><code>" + newText + "</code></pre>";

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$(document).ready(function() {
    $('#input').keyup(function() {
       $('#output').html($(this).val());
    });
});