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Test Status
JSJQUERYRANDOMTEST
Ques 1 :
The __ operator determines whether an object is an instance of another object.
(A) typeof
(B) void
(C) delete
(D) instanceof
Ques 2 :
Using _______ statement is how you test for a specific condition.
(A) Select
(B) If
(C) Switch
(D) For
Ques 3 :
Is it valid to nest functions in JavaScript?
(A) Yes
(B) No
Ques 4 :
The __ statement breaks the loop and continues executing the code after the loop.
(A) break
(B) continue
(C) return
(D) None of the above
Ques 5 :
$('p').click(function(){
// Code here
});
Inside the commented section, the value of the variable this is a..
(A) Array
(B) String
(C) Reference to the DOM node
(D) jQuery object
Ques 6 :
To deal with cookies in JQuery we have to use ______ cookie plugin
(A) Dough
(B) Session
(C) Dazzler
(D) None of these
Ques 7 :
Which of the following is not considered a JavaScript operator?
(A) new
(B) this
(C) delete
(D) typeof
Ques 8 :
Which JQuery method is used to set one or more style properties for selected elements?
(A) style()
(B) html()
(C) css()
Ques 9 :
What does isNaN function do?
(A) Returns false if the argument is not a number.
(B) Returns true if the argument is not a number.
(C) Returns true if the argument is a number.
(D) None of the above
Ques 10 :
What is the output of the following code snippet?
typeof ([]), typeof (new Array())
(A) "array", "object"
(B) "object", "array"
(C) "array", "array"
(D) "object", "object"
Ques 11 :
What is the correct JQuery code for making all div elements 100 pixels high?
(A) $("div").height="100"
(B) $("div").height(100)
(C) $("div").yPos(100)
Ques 12 :
_______is use for alternately expand and collapse a page element
(A) .hover()
(B) stopPropagation()
(C) .toggle()
(D) .trigger()
Ques 13 :
Which of the following JavaScript functions are used to convert non numeric values into numbers?
(A) Number()
(B) parseInt()
(C) parseFloat()
(D) All of the above
Ques 14 :
The ________ method acts on JQuery objects and translate the match DOM element into query string that can be pass along with AJAX request.
(A) .serialize()
(B) .serializeAll()
(C) .synchronized()
(D) none of these
Ques 15 :
What does the function $(".selector") return?
(A) An array.
(B) A node list.
(C) A new jQuery object.
(D) null
Ques 16 :
Which are the different ways to enumerate all properties of an object?
(A) for...in loops
(B) Object.keys()
(C) Object.getOwnPropertyNames()
(D) All of the above
Ques 17 :
In JavaScript, we can keep a reference to the context outside a function by assigning it to a variable: var self = this. In CoffeeScript, we use:
(A) self = this printScope -> console.log self
(B) printScope => console.log @
(C) printScope => console.log this
(D) All of the above
Ques 18 :
Which of the following function of Array object extracts a section of an array and returns a new array?
(A) reverse()
(B) shift()
(C) slice()
(D) some()
Ques 19 :
Which of the following is correct about features of JavaScript?
(A) JavaScript is a lightweight, interpreted programming language.
(B) JavaScript is designed for creating network-centric applications.
(C) JavaScript is complementary to and integrated with Java.
(D) All of the above.
Ques 20 :
____ JavaScript is also called server-side JavaScript.
(A) Microsoft
(B) Navigator
(C) LiveWire
(D) Native
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