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The developer wants to test the array shown:const arr = Array(5).

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The developer wants to test the array shown:

const arr = Array(5).fill(0)

Which two tests are the most accurate for this array ?

Choose 2 answers:

A.

console.assert( arr.length === 5 );

B.

arr.forEach(elem => console.assert(elem === 0)) ;

C.

console.assert(arr[0] === 0 && arr[ arr.length] === 0);

D.

console.assert (arr.length >0);

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  • Product: JavaScript-Developer-I
  • Update on: Jul 29, 2025
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TESTED 02 Aug 2025