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<html>
<body>
  <canvas id="the-canvas" style="border:1px  solid black"></canvas>
​
  <!-- Use latest PDF.js build from Github -->
  <script src="http://mozilla.github.io/pdf.js/build/pdf.js"></script>
  
  <script>
    //
    // NOTE:
    // Modifying the URL below to another server will likely *NOT* work. Because of browser
    // security restrictions, we have to use a file server with special headers
    // (CORS) - most servers don't support cross-origin browser requests.
    //
    var url = 'http://cdn.mozilla.net/pdfjs/helloworld.pdf';
    
​
    //
    // Disable workers to avoid yet another cross-origin issue (workers need the URL of
    // the script to be loaded, and dynamically loading a cross-origin script does
    // not work)
    //
    PDFJS.disableWorker = true;
​
    //
    // Asynchronous download PDF
    //
    PDFJS.getDocument(url).then(function getPdfHelloWorld(pdf) {
      //
      // Fetch the first page
      //
      pdf.getPage(1).then(function getPageHelloWorld(page) {
        var scale = 1;
        var viewport = page.getViewport(scale);
​
        //
        // Prepare canvas using PDF page dimensions
        //
        var canvas = document.getElementById('the-canvas');
        var context = canvas.getContext('2d');
        canvas.height = viewport.height;
        canvas.width = viewport.width;
        
        //
        // Render PDF page into canvas context
        //
        page.render({canvasContext: context, viewport: viewport});
      });
    });
  </script>
  
</body>
</html>
​
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