JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<div class='container'>
  <div class='row'>
    <div class='span2'>
      <div class='well'>
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      </div>
    </div>
    <div class='span2'>
      <div class='well'>
        XXXX
        XXXX
      </div>
    </div>
    <div class='span2'>
      <div class='well'>
        XXXX
        XXXX
        XXXX
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      </div>
    </div>
  </div>
</div>

JavaScript

$('.well').css({
    'height': $('.well').height()
});