Data Visualization · Exercise 5 of 5 Previous
Intermediate
Clean one number
Write toNumber(text): "1193" gives 1193, "2,016" gives 2016 (a thousands comma), and "" and "n/a" give null (missing, never 0).
The page lists the results of four inputs. Make the list read 1193, 2016, null, null.
What Check tests
- The list reads 1193, 2016, null, null
- The code handles the comma
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