the console log 1 shows as expected (2D array, second element inner arrays numbers), and the console.log 2 displays as expected with iterations finally setting all numbers to 0. then console log 3 shows undefined. i’m tiring and cant work out why? var change=cid console.log('1:',change) ch…

Right, so making a new array from an old array is exactly the place where you should use a .map() instead of a .forEach(). There is a few reasons for this As a general rule, you don’t want to change the input variables unless your function description explicitly says that it does this. You ar…

forEach is/isn't setting

Programming JavaScript

JeremyLT September 27, 2021, 10:34pm 21

It’s tricky stuff; we’re happy to help!

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forEach is/isn't setting

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