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fix(learn): in ES6 spread operator challenge test for arr2 length > 0 (#39680) 

* fix(learn): in ES6 spread operator challenge test for arr2 length > 0 too

Fixes #39662

* Accept correction

Co-authored-by: Nicholas Carrigan <nhcarrigan@gmail.com>

Co-authored-by: Nicholas Carrigan <nhcarrigan@gmail.com>
pull/39689/head
Walter Palagi 2020-09-25 01:14:44 +02:00 committed by GitHub
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curriculum/challenges/english/02-javascript-algorithms-and-data-structures/es6/use-the-spread-operator-to-evaluate-arrays-in-place.english.md
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@ -43,7 +43,7 @@ Copy all contents of <code>arr1</code> into another array <code>arr2</code> usin
```yml
tests:
- text: <code>arr2</code> should be correct copy of <code>arr1</code>.
testString: assert(arr2.every((v, i) => v === arr1[i]));
testString: assert(arr2.every((v, i) => v === arr1[i]) && arr2.length);
- text: <code>...</code> spread operator should be used to duplicate <code>arr1</code>.
testString: assert(code.match(/Array\(\s*\.\.\.arr1\s*\)|\[\s*\.\.\.arr1\s*\]/));
- text: <code>arr2</code> should remain unchanged when <code>arr1</code> is changed.