I’ve completed the project, but I have trouble using range. If I input =sum(a1:c3) nothing happens. Internet Explorer browser console says:
Uncaught TypeError: Cannot read properties of undefined (reading ‘value’)
Chrome browser doesn’t say anything.
Try using uppercase letters.
Or to debug, check what is in cells A1,A2,A3,B1,B2,B3,C1,C2,C3
Happy coding
Thank you! It works with uppercase. I just need to use toUpperCase() on character in the elemValue function. It’s fixed.
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