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Welcome to your Jquery Exam

1. 
What is jQuery primarily used for?

2. 
Which method is used to include jQuery in your HTML?

3. 
What does the $ symbol represent in jQuery?

4. 
How do you select an element with the ID "myElement"?

5. 
Which method is used to add an event handler in jQuery?

6. 
What method would you use to hide an element?

7. 
How do you create a fade-in effect for an element?

8. 
Which method is used to make an AJAX GET request?

9. 
How do you serialize a form in jQuery?

10. 
What is the purpose of the $.Deferred() object?

11. 
Which method is used to remove an element from the DOM?

12. 
How do you prevent the default action of an event?

13. 
What does .css() method do?

14. 
How can you check if an element is hidden?

15. 
Which of the following is a jQuery event method?

16. 
Which statement will correctly check if a variable x is equal to 10 and of type number?

17. 
What does the jQuery method .fadeOut() do?

18. 
How can you check if a specific element with id "box" is visible using jQuery?

19. 
What will the following code return: typeof null?

20. 
Which of the following methods can be used to convert a string to a number in JavaScript?

21. 
What will the following code output: console.log(0.1 + 0.2 === 0.3);?

22. 
Which of the following is a valid way to declare an arrow function in JavaScript?

23. 
How would you remove an element with the id "item" from the DOM using jQuery?

24. 
Which jQuery method can be used to execute code when the DOM is fully loaded?

25. 
Which of the following will create a new array from the elements of an existing array, starting from the third element to the end?

26. 
What will the following code output: console.log([1, 2, 3] + [4, 5, 6]);?

27. 
Which of the following methods is used to iterate over the properties of an object in JavaScript?

28. 
What does the .data() method in jQuery do?

29. 
How would you delay the execution of an animation by 2 seconds in jQuery?

30. 
What will console.log(typeof NaN); output?

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