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how do i make a simple calculator using may be buttons assigned to a given class name?

i have tried to make one with the basic knowledge of document. getElementsByClassName() but it shows undefined... i know it may seem funny.. but its the idea i had in mind... Any help?

sololearn
2nd Jan 2018, 12:02 PM
wagaba david
wagaba david - avatar
1 Answer
+ 7
https://code.sololearn.com/WN0dgrcEv5FY/?ref=app https://code.sololearn.com/cXD3ve2VxfP8/?ref=app
2nd Jan 2018, 12:04 PM
Scooby
Scooby - avatar

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