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Test Status
JSJQUERYTEST2
Ques 1 :
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 2 :
What is the correct syntax for Array Declaration.
(A) var city = new Array("delhi","agra","akot","aligarh");
(B) var city = ["delhi", "agra", "akot", "aligarh"];
(C) Both a and b
(D) None of them
Ques 3 :
Is it possible to use JQuery together with AJAX?
(A) Yes
(B) No
Ques 4 :
function() {
var a = 10;
if(a > 5) {
a = 7;
}
alert(a);
}
When executed, what value will be alerted to the screen?
(A) 10
(B) 7
(C) null
(D) undefined
Ques 5 :
What is the output of the following code snippet?
eval(20*4)=?
(A) NaN
(B) 204
(C) 24
(D) 80
Ques 6 :
The JQuery html() method works for both HTML and XML documents
(A) True
(B) False
Ques 7 :
function() {
if(true) {
var a = 5;
}
alert(a);
}
Ok, so what would be the value alerted by this function?
(A) 0
(B) 5
(C) null
(D) undefined
Ques 8 :
What is the output of the following code snippet?
var str = "Apple, Banana, Kiwi";
var res = str.substring(7,13);
(A) Banana
(B) Apple
(C) Kiwi
(D) Banana, Kiwi
Ques 9 :
What is the correct JQuery code to set the background color of all p elements to red?
(A) $("p").manipulate("background-color","red");
(B) $("p").layout("background-color","red");
(C) $("p").style("background-color","red");
(D) $("p").css("background-color","red");
Ques 10 :
var a = 5;
function first() {
a = 6;
}
function second() {
alert(a);
}
Assuming I call these functions in order, what value gets alerted?
(A) 5
(B) 6
(C) null
(D) undefined
Ques 11 :
How to test the pattern for the given text?
var text = "testing: 1, 2, 3";
var pattern = /\d+/g;
(A) text==pattern
(B) text.equals(pattern)
(C) text.test(pattern)
(D) pattern.test(text)
Ques 12 :
With JQuery, look at the following selector: $("div.intro"). What does it select?
(A) The first div element with class="intro"
(B) The first div element with id="intro"
(C) All div elements with id="intro"
(D) All div elements with class="intro"
Ques 13 :
function first() {
window.a = 3;
}
function second() {
alert(a);
}
Assuming I call these functions in order, what's alerted?
(A) 0
(B) 3
(C) null
(D) undefined
Ques 14 :
The JavaScript __ class represents regular expressions
(A) RegExpObj
(B) RegExpClass
(C) RegExp
(D) StringExp
Ques 15 :
Which JQuery method is used to hide selected elements?
(A) hidden()
(B) display(none)
(C) visible(false)
(D) hide()
Ques 16 :
var a = 5;
function() {
var a = 7;
alert(a);
}
There are now two variables with the same name, a. Which one does JavaScript pick?
(A) 5
(B) 7
Ques 17 :
What is the output of the following code snippet?
parseFloat("9.9Hello")?
(A) 9
(B) 9.9
(C) 99
(D) 9.9Hello
Ques 18 :
Which JQuery method is used to set one or more style properties for selected elements?
(A) style()
(B) html()
(C) css()
Ques 19 :
Why so JavaScript and Java have similar name?
(A) JavaScript is a stripped-down version of Java
(B) JavaScript's syntax is loosely based on Java's
(C) They both originated on the island of Java
(D) None of the above
Ques 20 :
The __ statement breaks the loop and continues executing the code after the loop.
(A) break
(B) continue
(C) return
(D) None of the above
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