MCQOPTIONS
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MCQOPTIONS
This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will happen if reverse() and join() methods are used simultaneously? |
| A. | Reverses and stores in the same array |
| B. | Reverses and concatenates the elements of the array |
| C. | Reverses |
| D. | Stores the elements of array in normal order |
| Answer» D. Stores the elements of array in normal order | |
| 2. |
The pop() method of the array does which of the following task ? |
| A. | decrements the total length by 1 |
| B. | increments the total length by 1 |
| C. | prints the first element but no effect on the length |
| D. | updates the element |
| Answer» B. increments the total length by 1 | |