Write code to get the cumulative time value spent on activities today

[melikecode]

A user may enter time against the same activity name several times during the day (e.g. 10 minute meeting, 60 minute meeting, 20 minute meeting). At the moment, the code only shows the most recent duration entered for a given activity name (e.g. 20 minutes meeting). We need it to show the cumulative value for the day (e.g. 90 minutes meeting), for accurate graphing and reporting.

• may involve iterating through json or hash
• may involve sum functions for json or hash

===

• needs to pass to graphing data array/hash
• needs to pass to text summary data array/hash

[melikecode]

Clues:

https://www.airpair.com/javascript/javascript-array-reduce

[melikecode]

done