Javascript interview questions part 9
Javascript interview questions part 9
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Total Questions: 20
1. Which of the algorithmic languages is lexical scoping standardized in?
Correct Answer is : All of the mentioned
2. What is a framework?
Correct Answer is : Author time efficiency
3. Which is the function used to loop in an array to view all the values?
Correct Answer is : each()
4. Which of the following has a greater benchmark time for looping and JQuery vs core JavaScript in milliseconds?
Correct Answer is : Chrome JQuery
5. Which class provides an interface for invoking JavaScript methods and examining JavaScript properties?
Correct Answer is : JSObject
6. What is the purpose of the function eval?
Correct Answer is : Executing string as JavaScript
7. Which of the following has a lesser benchmark time for using JQuery to access DOM versus pure JavaScript in milliseconds?
Correct Answer is : Firefox JSDOM_benc
8. Which is a wrapped Java array, accessed from within JavaScript code?
Correct Answer is : JavaArray
9. What is the syntax of close method for document object?
Correct Answer is : Close()
10. How do you find the number with the highest value of x and y?
Correct Answer is : Math.max(x,y)
11. How can you find a client’s browser name?
Correct Answer is : navigator.appName
12. Which of the following is not a JavaScript framework?
Correct Answer is : DoJo
13. What is the purpose of the Math method toSource()?
Correct Answer is : Returns the string “Math”
14. Consider the following code snippet : var o = new F(); o.constructor === F The output would be :
Correct Answer is : TRUE
15. How many static methods does a Date object have?
Correct Answer is : 2
16. Which of the following are static methods in JavaScript?
Correct Answer is : Both Date.parse() and Date.UTC()
