In case you still want to support IE11, you need to include jsPDF's polyfills.umd.js. Please do this before you include jspdf.umd.min.js and html2canvas.min.js Many HTML stylings can be converted to ...
There may come a time when you find it important to trap focus within a DOM node — so that when a user hits Tab or Shift+Tab or clicks around, she can't escape a certain cycle of focusable elements.
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