CoderMantra

Menu
  • Home
  • Quiz
  • How-To
  • Q/A
  • Blog

JavaF

0%
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

1 / 30

1. What if you use parseInt() to convert a string containing decimal value?

2 / 30

2. The _______ method of an Array object adds and/or removes elements from an array.

3 / 30

3. How to get a particular value using the tagged name?

4 / 30

4. What is the correct syntax for referring to an external script called "LFC.js"?

5 / 30

5. Among the keywords below, which one is not a statement?

6 / 30

6. What will happen, if the following JavaScript code is executed? var count =0;
while (count <10) { console.log(count); count++; }

7 / 30

7. Which of the following are the errors in JavaScript?

8 / 30

8. Which symbol is used for comments in Javascript?

9 / 30

9. Which of the following is an array method?

10 / 30

10. Which operator is known as the strict equality operator, which checks whether its two operators are identical or not?

11 / 30

11. Syntax for creating a RegExp object:
1. var txt=new RegExp(pattern,attributes);
2. var txt=/pattern/attributes;
Which of the above mentioned syntax will correct?

12 / 30

12. If para1 is the DOM object for a paragraph, what is the correct syntax to change the text within the paragraph?

13 / 30

13. Choose the correct JavaScript syntax to change the content of the following HTML code.

14 / 30

14. What will be the output of the following JavaScript code?
num1=5;
function cal() {
num1=10;
num2=5;
num3=num2*num1;
console.log(num3);
}
cal();

15 / 30

15. Which of the following is not JavaScript Data Types?

16 / 30

16. The pop() method of the array does which of the following task ?

17 / 30

17. JavaScript ignores?

18 / 30

18. What will be the output if we compare "ten" and 10 with less then comparison operator( "ten" <10)?

19 / 30

19. Which of the following is correct about features of JavaScript?

20 / 30

20. What will be the output of the following Javascript code?
var string1 = "Letsfindcourse";
var intvalue = 30;
alert( string1 + intvalue );

21 / 30

21. Which of the following is block scoped?

22 / 30

22. Which company developed JavaScript?

23 / 30

23. The "function" and " var" are known as:

24 / 30

24. Which of the following is not a valid JavaScript variable name?

25 / 30

25. Variable declared is example of ________________ Variable.
function message() {
var varname = "Rajiv";
alert(name);
}

26 / 30

26. Why so JavaScript and Java have similar name?

27 / 30

27. What if we put ++ operator inside if condition? find the output

28 / 30

28. Which of the following method checks if its argument is not a number?

29 / 30

29. Find output of below Javascript addition code
document.write("1 plus 1 is " + 1 + 1);

30 / 30

30. What is defination of an undefined value in JavaScript?

Your score is

LinkedIn Facebook VKontakte
0%

By Wordpress Quiz plugin

Category

  • Assignments
    • C Language Assignments
    • C++ Assignments
    • Java Assignments
    • Python Assignments
  • C Programming
  • c-plus-plus-Assignments
  • C++
  • Core Java
  • Data Structure
  • Data Structure In C++
  • How To
  • Java-Assignments
  • node js questions
  • nodejs assignments
  • nodejs Projects
  • Practice Questions
  • Python Tutorial
  • Python-Assignments
  • Questions
  • Quiz
  • sql-functions
  • SQL-Tutorial
  • Tkinter Tutorial
  • Uncategorized
  • What Is

Archives

  • July 2025
  • April 2025
  • October 2024
  • September 2024
  • June 2024
  • April 2024
  • May 2023
  • April 2023
  • March 2023
  • February 2023
  • May 2022
  • November 2021
  • May 2021
  • March 2021
  • November 2020
  • October 2020
  • August 2020
  • June 2020
  • May 2020
  • April 2020
  • March 2020
  • February 2020
  • January 2020
  • December 2019
  • November 2019
  • September 2019
  • August 2019
  • May 2019
  • March 2019
  • February 2019
  • January 2019
About CoderMantra

Coder Mantra is a unique e-learning website, offers a tutorial of different popular programming languages with examples. The code on this popular tutorial website is tested and executed.

Latest Posts
Double Linked List in Java. July 15, 2025
Simple Calculator Program in Python April 25, 2025
Number Guessing Game in Python April 25, 2025
Python Program to Swap Two Variables April 14, 2025
Contact Us

info@codermantra.com

admin@codermantra.com

© 2020 Coder Mantra . All Rights Reserved
About | Privacy Policy | Terms | Contact