Javascript interview questions part 44
Javascript interview questions part 44
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What is the function used to extract arguments from the search property of a URL?
Correct Answer is : urlArgs()
2. The decodeURIComponent() is defined by
Correct Answer is : Client-side JavaScript
3. Which is the method that removes the current document from the browsing history before loading the new document?
Correct Answer is : replace()
4. Why is the replace() method better than the assign() method?
Correct Answer is : Handles unconditional loading
5. What is the purpose of the assign() method?
Correct Answer is : Loading of window and display
6. .The history property belongs to which object?
Correct Answer is : History
7. JavaScript Code can be called by using ___________
Correct Answer is : Function/Method
8. The type of a variable that is volatile is _______________
Correct Answer is : Mutable variable
9. A hexadecimal literal begins with __________
Correct Answer is : Both 0x and 0X
10. The generalised syntax for a real number representation is __________
Correct Answer is : [digits][.digits][(E|e)[(+|-)]digits].
11. JavaScript _________ when there is an indefinite or an infinite value during an arithmetic computation.
Correct Answer is : Displays “Infinity”
12. Which of the following is not considered as an error in JavaScript?
Correct Answer is : Division by zero
13. The escape sequence ‘\f’ stands for _________
Correct Answer is : Form feed
14. The snippet that has to be used to check if “a” is not equal to “null” is _________
Correct Answer is : if(a!==null)
15. The statement a===b refers to _________
Correct Answer is : Both a and b are equal in value and type
16. Assume that we have to convert “false” that is a non-string to string. The command that we use is (without invoking the “new” operator)
Correct Answer is : Both false.toString() and String(false)
17. In which part does the form validation occur?
Correct Answer is : Server
18. What would happen if the data in the client had been wrong?
Correct Answer is : Sends back the data and Waits for correction
19. What is the purpose of the basic validation?
Correct Answer is : Mere data existence
20. What is the purpose of data format validation?
Correct Answer is : Data correctness
