MCQOPTIONS
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MCQOPTIONS
This section includes 183 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which is the method to look up the objects for a range of keys? |
| A. | ookRange() |
| B. | penCursor() |
| C. | ookall() |
| D. | one of the mentioned |
| Answer» C. ookall() | |
| 2. |
Which is the function used to look up an object? |
| A. | ut() |
| B. | et() |
| C. | et() |
| D. | ook() |
| Answer» D. ook() | |
| 3. |
Which is the most appropriate database for developers requiring huge amount of data? |
| A. | atabase |
| B. | atawarehouse |
| C. | eb databases |
| D. | ccess |
| Answer» D. ccess | |
| 4. |
Which is the Microsoft’s own proprietary client-side storage? |
| A. | E User Data |
| B. | ffline Web Applications |
| C. | ookies |
| D. | ll of the mentioned |
| Answer» B. ffline Web Applications | |
| 5. |
Which is the code that asks for the set of all div elements in a document? |
| A. | ar divs = $(div); |
| B. | ar divs = jQuery("div"); |
| C. | ar divs = $("div"); |
| D. | ar divs = #("div"); |
| Answer» D. ar divs = #("div"); | |
| 6. |
Which is the appropriate code to begin a HTTP GET request? |
| A. | equest.open("GET","data"); |
| B. | equest.open(GET,"data.csv"); |
| C. | equest.open("GET","data.csv"); |
| D. | equest.open("GET"); |
| Answer» D. equest.open("GET"); | |
| 7. |
XMLHttpRequesr is a |
| A. | bject |
| B. | lass |
| C. | oth Object and Class |
| D. | one of the mentioned |
| Answer» D. one of the mentioned | |
| 8. |
The other name for Comet is |
| A. | erver Push |
| B. | jax Push |
| C. | TTP Streaming |
| D. | ll of the mentioned |
| Answer» E. | |
| 9. |
Which of the below is a lieral reverse of Ajax? |
| A. | TTP |
| B. | TML |
| C. | ML |
| D. | omet |
| Answer» E. | |
| 10. |
The nodes that represent HTML elements are the |
| A. | ubclass nodes |
| B. | TML nodes |
| C. | indow nodes |
| D. | lement nodes |
| Answer» E. | |
| 11. |
The Text and Comment is part of |
| A. | haracterData |
| B. | ocument |
| C. | ttr |
| D. | lement |
| Answer» B. ocument | |
| 12. |
The node directly above a node is called |
| A. | ibling |
| B. | hild |
| C. | arent |
| D. | ncestors |
| Answer» D. ncestors | |
| 13. |
The paragraph “p” is a part of |
| A. | 1 |
| B. | ody |
| C. | tml |
| D. | oth body and html |
| Answer» E. | |
| 14. |
The inner frame within a top-level window can be referred as |
| A. | arent(parent) |
| B. | arent.parent |
| C. | arent*parent |
| D. | one of the mentioned |
| Answer» C. arent*parent | |
| 15. |
Which is the property of a Window object that holids the name of the frame? |
| A. | ame |
| B. | itle |
| C. | escription |
| D. | one of the mentioned |
| Answer» B. itle | |
| 16. |
Where is the information of the userAgent property located? |
| A. | ppId |
| B. | ppName |
| C. | latform |
| D. | ppVersion |
| Answer» E. | |
| 17. |
Which of the below properties can be used for browser sniffing? |
| A. | latform |
| B. | ppVersion |
| C. | oth platform and appVersion |
| D. | one of the mentioned |
| Answer» D. one of the mentioned | |
| 18. |
What is the vendor-neutral synonym for navigator? |
| A. | taticData |
| B. | urposeInformation |
| C. | ataInformation |
| D. | lientInformation |
| Answer» E. | |
| 19. |
A new web browser window can be opened using which method of the Window object ? |
| A. | reatetab() |
| B. | indow.open() |
| C. | pen() |
| D. | ll of the mentioned |
| Answer» C. pen() | |
| 20. |
What is the distinction made by JavaScript between windows, tabs, iframes, and frames ? |
| A. | hey are all browsing contexts |
| B. | hey are all browsing informations |
| C. | hey are all Window contexts |
| D. | hey are all Window objects |
| Answer» E. | |
| 21. |
What is the distinction made by the Client-side JavaScript between windows, tabs, iframes, and frames ? |
| A. | hey are all browsing contexts |
| B. | hey are all browsing informations |
| C. | hey are all Window contexts |
| D. | hey are all Window objects |
| Answer» B. hey are all browsing informations | |
| 22. |
Nested documents in the HTML can be done using |
| A. | rame |
| B. | est |
| C. | frame |
| D. | nto |
| Answer» D. nto | |
| 23. |
Which is the method that removes the current document from the browsing history before laoding the new document? |
| A. | odify() |
| B. | ssign() |
| C. | eplace() |
| D. | emove() |
| Answer» D. emove() | |
| 24. |
What is the datatype of the go() method’s parameter? |
| A. | tring |
| B. | nteger |
| C. | ouble |
| D. | loat |
| Answer» C. ouble | |
| 25. |
The length property belongs to which of the following objects? |
| A. | indow |
| B. | lement |
| C. | istory |
| D. | ocument |
| Answer» D. ocument | |
| 26. |
What is the result of the following code snippet?window.location === document.location |
| A. | alse |
| B. | rue |
| Answer» C. | |
| 27. |
Which of the following property allows you to specify an element’s position with respect to the browser window? |
| A. | elative |
| B. | ixed |
| C. | tatic |
| D. | bsolute |
| Answer» C. tatic | |
| 28. |
The return type of getElementsByClassName() is |
| A. | OM |
| B. | ocument |
| C. | ode |
| D. | odeList |
| Answer» E. | |
| 29. |
Which of the following is the ultiate element selection method? |
| A. | uerySelectorAll() |
| B. | uerySelector() |
| C. | ueryAll() |
| D. | uery() |
| Answer» B. uerySelector() | |
| 30. |
The events that represents occurrences related to the browser window are%! |
| A. | Window |
| B. | Element |
| C. | Display |
| D. | Handlers |
| Answer» B. Element | |
| 31. |
The other name for Comet is%! |
| A. | Server Push |
| B. | Ajax Push |
| C. | HTTP Streaming |
| D. | All of the mentioned |
| Answer» E. | |
| 32. |
Which method receives the return value of setInterval() to cancel future invocations?%! |
| A. | clearInvocation() |
| B. | cancelInvocation() |
| C. | clearInterval() |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 33. |
*$_Which of the following is the child(s) of the node type EntityReference?? |
| A. | Element |
| B. | Text |
| C. | Both Element and Text |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 34. |
*$_Which method is used to compare the placement of two nodes in the DOM hierarchy (document)?? |
| A. | compareDocumentPosition() |
| B. | cloneNode() |
| C. | getUserData() |
| D. | getFeature() |
| Answer» B. cloneNode() | |
| 35. |
*$_Which of the following defines the Cookie visibility?? |
| A. | document Path |
| B. | localStorage |
| C. | sessionStorage |
| D. | all of the mentioned |
| Answer» E. | |
| 36. |
*$_How many node object properties are there?? |
| A. | 12 |
| B. | 14 |
| C. | 16 |
| D. | 17 |
| Answer» D. 17 | |
| 37. |
*$_What is the constraint on the data per cookie?? |
| A. | 2 KB |
| B. | 1 KB |
| C. | 4 KB |
| D. | 3 KB |
| Answer» D. 3 KB | |
| 38. |
*$_What is the result of the following code snippet?window.location === document.location? |
| A. | False |
| B. | True |
| C. | 0 |
| D. | 1 |
| Answer» C. 0 | |
| 39. |
*$_What is the function used to extract arguments from the search property of a URL?? |
| A. | urlArgs() |
| B. | url() |
| C. | hash() |
| D. | none of the mentioned |
| Answer» B. url() | |
| 40. |
*$_The history property belongs to which object?? |
| A. | Element |
| B. | Window |
| C. | History |
| D. | Location |
| Answer» D. Location | |
| 41. |
*$_The nodes that represent HTML elements are the? |
| A. | Subclass nodes |
| B. | HTML nodes |
| C. | Window nodes |
| D. | Element nodes |
| Answer» E. | |
| 42. |
*$_What is the special feature of the modern web applications?? |
| A. | Can alter contents without loading document |
| B. | Must load the document to manipulate |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Must load the document to manipulate | |
| 43. |
*$_Where is the information of the userAgent property located?? |
| A. | appId |
| B. | appName |
| C. | platform |
| D. | appVersion |
| Answer» E. | |
| 44. |
*$_A new web browser window can be opened using which method of the Window object ?? |
| A. | createtab() |
| B. | Window.open() |
| C. | open() |
| D. | all of the mentioned |
| Answer» C. open() | |
| 45. |
*$_The inner frame within a top-level window can be referred as? |
| A. | parent(parent) |
| B. | parent.parent |
| C. | parent*parent |
| D. | none of the mentioned |
| Answer» C. parent*parent | |
| 46. |
*$_Which is the method that operates on the return value of $()?? |
| A. | show() |
| B. | css() |
| C. | click() |
| D. | done() |
| Answer» C. click() | |
| 47. |
*$_Which of the following is used for parsing JSON text?? |
| A. | jQuery.each() |
| B. | jQuery.parseJSON() |
| C. | jQuery.noConflict() |
| D. | None of the mentioned |
| Answer» C. jQuery.noConflict() | |
| 48. |
*$_Which is the appropriate code to begin a HTTP GET request?? |
| A. | request.open("GET","data"); |
| B. | request.open(GET,"data.csv"); |
| C. | request.open("GET","data.csv"); |
| D. | request.open("GET"); |
| Answer» D. request.open("GET"); | |
| 49. |
*$_A key path is defined as? |
| A. | A url that directs to the value |
| B. | A value that is similar to hash table |
| C. | A value that tells the database how to extract an object’s key from the object |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 50. |
*$_Which is the method to look up the objects for a range of keys?? |
| A. | lookRange() |
| B. | openCursor() |
| C. | lookall() |
| D. | None of the mentioned |
| Answer» C. lookall() | |