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JavaScript

Posted by Ben Os
Ben Os
20,008 Points

Array mapped and filtered basically correct, but answer still wrong

In this question:

Using the filter and map methods on the todos array, create an array of unfinished task strings. See the comments below to see the correct result. Store the new array in the variable unfinishedTasks.

I did:

unfinishedTasks = todos.map( (e)=> e).filter( (e)=> e.done == false);

The output is basically similar to the desired answer: ["Buy apples", "Write web app", "Call mom"] which are all "unifished tasks" I've been asked to filter out... So why the answer fails?

1 Answer

stjarnan
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
stjarnan
Front End Web Development Techdegree Graduate 56,488 Points
stjarnan
.a{fill-rule:evenodd;}techdegree seal-36
stjarnan
Front End Web Development Techdegree Graduate 56,488 Points

Hi Ben,

What they want you to do is to use filter first, that way you only map the part of the array you actually want to keep. I think this might help you back into the right direction, let me know if you need more help :)

Jonas

Seth Kroger
Seth Kroger
56,416 Points

I don't know why this is downvoted. The output wants you do discard everything but the string, but you can't filter it if you discard the done status so it has to come first.