Salesforce JavaScript Developer Practice Exam

What is the result of filtering the array [1, 4, 9, 16] for odd numbers?

1. [4, 16]

2. [1, 9]

3. [9, 1]

4. [1, 4, 16]

The correct answer is: [1, 9]

When filtering the array [1, 4, 9, 16] for odd numbers, the process involves examining each element in the array and determining if it is odd. An odd number is defined as any integer that is not evenly divisible by 2. In the array provided: - 1 is odd - 4 is even - 9 is odd - 16 is even Therefore, the odd numbers present in the array are 1 and 9. Consequently, the result of the filtering operation will include only these odd numbers, leading to the array [1, 9]. Choosing the answer that includes both 1 and 9 accurately represents the result of filtering for odd numbers from the original array.