Call LibreOffice Calc with JS

Question

I'm looking for a way to call LibreOffice Calc from js script (for example open existing file on disk). I know that I can open Excel using ActiveXObject, but with Calc it not working.

<script type="text/javascript">
  function test() {
    var Excel = new ActiveXObject("Excel.Application");
    Excel.Visible = true;
    Excel.Workbooks.Open("teste.xlsx");
  }
</script>

update: first priority is IE

Kurt Thiemann · Accepted Answer · 2020-08-22 20:13:46Z

1

You can't. (At least not in a standard browser)

For obvious security reasons, it is not possible to start native applications from JavaScript. Imagine if any website you visit could just randomly start programs on your computer.

ActiveXObject is an old feature of the Internet Explorer and will definitely not work in any modern browser (as the subtle warning on its MDN page indicates: https://developer.mozilla.org/en-US/docs/Archive/Web/JavaScript/Microsoft_Extensions/ActiveXObject).

Edit: here is an excellent article about the browser sandbox and why it is necessary: https://web.dev/browser-sandbox/

answered Aug 22, 2020 at 20:13

Kurt Thiemann

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2 Comments

e1s Over a year ago

Thk, I know about ActiveXObject, but for example i can run Calc from IE?

Kurt Thiemann Over a year ago

According to this LibreOffice help article, it is possible to control LibreOffice via an ActiveXObject: help.libreoffice.org/7.0/en-US/text/shared/guide/…

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