MCQOPTIONS
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MCQOPTIONS
This section includes 52 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Do functions in JavaScript necessarily return a value ? |
| A. | It is mandatory |
| B. | Not necessary |
| C. | Few functions return values by default |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 52. |
Consider the code snippet given belowvar count = [1,,3];What is the observation made? |
| A. | The omitted value takes “undefined” |
| B. | This results in an error |
| C. | This results in an exception |
| D. | None of the mentioned |
| Answer» B. This results in an error | |