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copied!<p>readability is a javascript bookmarklet. meaning its client side code that manipulates the DOM. Look at the javascript and you should be able to see whats going on. </p> <p>Readability's workflow and code:</p> <pre><code>/* * 1. Prep the document by removing script tags, css, etc. * 2. Build readability's DOM tree. * 3. Grab the article content from the current dom tree. * 4. Replace the current DOM tree with the new one. * 5. Read peacefully. */ javascript: (function () { readConvertLinksToFootnotes = false; readStyle = 'style-newspaper'; readSize = 'size-medium'; readMargin = 'margin-wide'; _readability_script = document.createElement('script'); _readability_script.type = 'text/javascript'; _readability_script.src = 'http://lab.arc90.com/experiments/readability/js/readability.js?x=' + (Math.random()); document.documentElement.appendChild(_readability_script); _readability_css = document.createElement('link'); _readability_css.rel = 'stylesheet'; _readability_css.href = 'http://lab.arc90.com/experiments/readability/css/readability.css'; _readability_css.type = 'text/css'; _readability_css.media = 'all'; document.documentElement.appendChild(_readability_css); _readability_print_css = document.createElement('link'); _readability_print_css.rel = 'stylesheet'; _readability_print_css.href = 'http://lab.arc90.com/experiments/readability/css/readability-print.css'; _readability_print_css.media = 'print'; _readability_print_css.type = 'text/css'; document.getElementsByTagName('head')[0].appendChild(_readability_print_css); })(); </code></pre> <p>And if you follow the JS and CSS files that the above code pulls in you'll get the whole picture:</p> <p><a href="http://lab.arc90.com/experiments/readability/js/readability.js" rel="noreferrer">http://lab.arc90.com/experiments/readability/js/readability.js</a> (this is pretty well commented, interesting reading)</p> <p><a href="http://lab.arc90.com/experiments/readability/css/readability.css" rel="noreferrer">http://lab.arc90.com/experiments/readability/css/readability.css</a></p>

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