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Lab Quiz # 1
(JavaScript and CSS)

Instructions

Please go through the instructions very carefully.

Submit the same document by renaming it with your roll number
In case of cheating, -3 abs would be awarded in lab
Write answer below each question e.g. “option A”

Exercise 1
JavaScript Section

1. How do you call a function named "myFunction"?

A. call function myFunction
B.
call myFunction()
C.
myFunction()
Option: C

2.
What would be output of alert? var _$te$t2;
_$te$t2 = ‘my value ’;
_$te$t2 = _$te$t2 + 12

Alert(_$te$t2;)

A.
Variable not valid
B.
my value12
C.
None of above

Option: B

3.
When value is declared but not initialized, by default value assigned to it is

A. null B.
Empty string
C.
undefined

Option: A

4.
What would be output of alert? var t2 = 10.2; alert(t2.toString()); A.
10.2
B.
Type mismatch error
C.
10

Option: A

5.
What would be output of alert? var myTemp = ‘hello world’ alert(myTemp.lastIndexOf(“o”)-1); A.
8
B.
7
C.
None of above

Option: B

6.
What would be output of alert? var myTemp = 12; var myTemp2 = 1;

var finalTemp = myTemp2-- + myTemp++ alert(finalTemp) A.
15
B.
13
C.
11

Option: C

7.
What would be output of alert? function sum(iNum1, iNum2) { return iNum1 + iNum2; alert(iNum1 + iNum2);
}

var iResult = sum(1,1);

A.
2
B.
Type mismatch error
C.
None of above

Option: C
CSS Section
8.
What i s the correct syntax for removing the default underline from links?

A. a { text-decoration: none; }

B. a {underline: none}

C. link { text-decoration: none; }

Option: B

9.
Which of the following is the proper syntax for linking to an external stylesheet in HTML?

A.

B. href=”style.css”
C.

D.

Option: A

10.
Which of the following is NOT an advantage of CSS defined for the entire site?

A.
Prettier colors
B.