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Quiz3

Authored by Anantha edupuganti

Professional Development

1st - 3rd Grade

15 Questions

Used 9+ times

Quiz3
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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following represents control flow statements in js ?

simple if

if else

else if ladder

switch

simple if

if else

nested if

if-elif-else

simple if

if-elif-else

switch

None of the above

2.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

Which of these belong to looping statements in JS ?

for

for in

for of

for else

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Find the output of the following code snippet?

<script>

var a=[1.1,2,5,'gec',99.5,'it'];

for(var x in a)

document.write(x+" "); //output1

for(var x of a)

document.write(x+" "); //output2

</script>

1.1 2 5 gec 99.5 it

0 1 2 3 4 5

1.1 2 5 gec 99.5 it

0 1 1 2 3 4

0 1 2 3 4 5

1.1 2 5 gec 99.5 it

0 1 2 3 4 5

1,1 2 5 gec 99.5 it

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which keyword is used to create functions in Javascript ?

def

define

func

function

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

 

Guess the Output for the following code snippet ?

<html>

<script>

function reverse(x){

var s=0;

while(x>0){

s=s*10+x%10;

x=x/10;

}

return s;

}

document.write("Reverse is: "+reverse(123));

</script>

</html>

Reverse is: NaN

Reverse is: 321.000

Reverse is: Infinity

Reverse is: undefined

Reverse is: 321

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is abbrevation of DOM ?

Domain Object Model

Document Object Model

Discriptive Oreintation Model

Discriptive Object Model

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

<html>

<script>

var x=" 68.3";

var b=Number(x);

var a=parseInt(x);

document.write(b+" ");

document.write(a);

</script>

</html>

Predict the Output ?

68 68.3

68.3 68

68 68

68.3 68.3

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