The Excel Services REST and SOAP APIs introduced in SharePoint 2010 are SharePoint only, but with the Excel Services JavaScript API you can work with embedded workbooks on a host web page — from ...

This is shown in the image below where we see Microsoft Excel Web Content, which is the hidden browser with CoinHive loaded, utilizing 206% of the computer's 4 cores.

However, you don’t need to be familiar with JavaScript to use Office Scripts. As an Excel for the web user, you’ll want to use Office Scripts anytime you often repeat the same task.

Excel's JavaScript leverages the same Chakra JavaScript engine used by the Microsoft Edge web browser. This addition brings some parity to Google Sheets which already supports JavaScript within ...

Enabling JavaScript should make Excel more powerful, but increasing access points makes it even more of a web security nightmare than it already is.

It didn’t take long at all for a security researcher to demonstrate how easy it was to turn an Excel spreadsheet into a cryptomining machine.

Microsoft announced May 7, 2018 that adding JavaScript custom functions to ExcelAnnouncementHowever, a security demonstration demonstration demonstration demonstrating the virtual currency mining ...

The web-based Excel add-ins run inside a browser container that is embedded within the Office application on desktop-based platforms such as Office for Windows and runs inside an HTML iFrame in ...

If you haven't tried Excel on the web in a while, you might be surprised by how many of your demanding spreadsheets will now run on any device with a browser.