Bug report
When jQuery 3.4.1 is used paging through PDF file content results in wrong scroll position and no content in PDFViewer
Reproduction of the problem - sample file 1
- Use the following setup:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,user-scalable=1,initial-scale=1.0" />
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2019.3.917/styles/kendo.common.min.css">
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2019.3.917/styles/kendo.rtl.min.css">
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2019.3.917/styles/kendo.default.min.css">
<!-- <script src="https://code.jquery.com/jquery-1.12.4.min.js"></script> -->
<!-- <script src="https://code.jquery.com/jquery-2.2.4.min.js"></script> -->
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
<script src="https://kendo.cdn.telerik.com/2019.3.917/js/kendo.all.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.2.2/pdf.js"></script>
<script>
window.pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.2.2/pdf.worker.js';
</script>
</head>
<body">
<div id="pdf-viewer"></div>
<script>
(function () {
var viewer = $("#pdf-viewer").kendoPDFViewer({
pdfjsProcessing: {
file: "./Export_numbered.pdf"
}
}).getKendoPDFViewer();
})();
</script>
</body>
</html>
-
Use the following sample PDF - Export_numbered.pdf
-
Click on Next page button 3 times:
-
Click on Next page button once again
Current behavior
Pager shows page 5, but there is no content displayed. Scrolling over the PDFViewer scrolls and displays the content.
Expected/desired behavior
Pager shows page 5 and page 5 is visible on the top of the PDFViewer.
Reproducible when the jQuery version in the setup is changed to 1.12.4 or 2.2.4.
Reproduction of the problem - sample file 2
- Use the setup above with the PDF file from demos -
sample.pdf - Click on Next page button 2 times:
Current behavior
Pager shows page 3, but there is no content displayed. Scrolling over the PDFViewer scrolls and displays the content.
Expected/desired behavior
Pager shows page 3 and page 3 is visible on the top of the PDFViewer.
Reproducible when the jQuery version in the setup is changed to 1.12.4 or 2.2.4.
Environment
- Kendo UI version: 2019.3.917
- jQuery version: 3.4.1
- Browser: all