MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Some browsers do not allow spaces behind thecharacter. |
| A. | Yes |
| B. | No |
| C. | Can be yes or no |
| D. | Can not say |
| E. | |
| Answer» B. No | |
| 2. |
_________ cannot accept negative indexes. |
| A. | slice() |
| B. | substring() |
| C. | both a and b |
| D. | none of the above |
| Answer» C. both a and b | |
| 3. |
JavaScript counts positions from? |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | Can not say |
| Answer» B. 1 | |
| 4. |
_______ extracts a part of a string and returns the extracted part in a new string. |
| A. | substring() |
| B. | substr() |
| C. | strlen() |
| D. | slice() |
| Answer» E. | |
| 5. |
Comparing two JavaScript objects always returns? |
| A. | TRUE |
| B. | FALSE |
| C. | Can be true or false |
| D. | Can not say |
| Answer» C. Can be true or false | |
| 6. |
The _________ keyword complicates the code and slows down execution speed |
| A. | this |
| B. | let |
| C. | new |
| D. | none of the above |
| Answer» D. none of the above | |
| 7. |
code is used for? |
| A. | Backspace |
| B. | Form Feed |
| C. | New Line |
| D. | Carriage Return |
| Answer» E. | |
| 8. |
The ________ escape character turns special characters into string characters |
| A. | \ |
| B. | / |
| C. | | |
| D. | # |
| Answer» B. / | |
| 9. |
To find the length of a string, use the built-in _______ property. |
| A. | size |
| B. | length |
| C. | area |
| D. | strlen |
| Answer» C. area | |
| 10. |
JavaScript strings are for ________ text. |
| A. | storing |
| B. | manipulating |
| C. | both a and b |
| D. | none of the above |
| Answer» D. none of the above | |