An anonymous reader shares a report: At the Build 2018 developer conference that’s taking place these days in Seattle, USA, Microsoft announced support for custom JavaScript functions in Excel. What this means is that Excel users will be able to use JavaScript code to create a custom Excel formula that will appear in Excel’s default formula database. Users will then be able to insert and call these formulas from within Excel spreadsheets, but have a JavaScript interpreter compute the spreadsheet data instead of Excel’s native engine. “Office developers have been wanting to write JavaScript custom functions for many reasons,” Microsoft says, “such as: (1) Calculate math operations, like whether a number is prime. (2) Bring information from the web, like a bank account balance. (3) Stream live data, like a stock price.”

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Source: Slashdot – Microsoft Adds Support For JavaScript Functions in Excel