JQuery code to set the background color of all “<span>” in blue?

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Question:
JQuery code to set the background color of all “<span>” in blue?

1.$("span").style("background-color", "blue");

2.$("span").css("background-color", "blue");

3.jQuery("span").style("background-color", "blue");

4.none of the above

More MCQS Questions and answers

  1. Get the value of a style property for the first element in the set of matched elements.
  2. In which year jQuery developed?
  3. Is jQuery a library for client scripting or server scripting?
  4. jQuery code to set the background color of all span elements to blue?
  5. Select all elements that contain the specified text.
  6. The ______ method is used to make an asynchronous HTTP request?
  7. The______ method is used to represent an array or an object in serialize manner.
  8. Using ____ function, we can hold or release the execution of jQuery's ready event.
  9. Which jQuery method is used to switch between adding/removing one or more classes (for CSS) from selected elements?
  10. $("div#frame1 .bd1") What does it select?
  11. $("span.foo"). What does it select?
  12. $.foo() is equivalent to
  13. ----- takes a selector as its argument and returns true if at least one of the selected elements also matches the specified selector.
  14. By default JavaScript displays the numbers as ______
  15. JQuery code to set the background color of all “<span>” in blue?
  16. jQuery method is used to perform an asynchronous HTTP request?
  17. Look at the following jQuery selector: $("div#intro .head). What does it select?
  18. Math.random() returns _______
  19. The ¦¦¦. method is like offset(), except that it is a getter only and it returns element positions relative to their offset parent, rather to the document as a whole.
  20. To deal with cookies in jQuery we have to use ______ cookie plugin
  21. Typeof “infinity” will return ______
  22. What are jQuery’s features?
  23. What are the methods used to provide effects?
  24. What does the min mean?
  25. What is the Boolean value of “” in JavaScript?
  26. What is the correct jQuery code for making all div elements 100 pixels high?
  27. Which built-in method returns the character at the specified index?
  28. Which jQuery method is used to hide selected elements?
  29. Which jQuery method to set one or more style properties for selected elements?
  30. Which of the following is an overloaded function?
  31. Which of the following is/are the sources of Content Distribution Network(CDN) for jQuery.
  32. Which of the following jQuery method checks the current selection against an expression?
  33. Which of the following replaces $(document).ready(f)?
  34. Which sign does jQuery use as a shortcut for jQuery?
  35. With jQuery, look at the following selector: $("div.intro). What does it select?
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