1. Which of the following statements would correctly print out t.pdf

1. Which of the following statements would correctly print out the sentence “Hello World” in
blue?
a) document.write( “
”);
b) document.write( “
style = ”color: blue” Hello World );
c) document.write( “
”);
d) document.write( “
”);
document.write( “Hello World ”);
2. An alert dialog displaying the text “Welcome!” is created by calling _________.
a) window.alert( “Welcome!” );
b) alert.window( “Welcome!” );
c) window( “alert = ”Welcome!”” );
d) window( “ Welcome! ” );
3. Consider the following script. What is wrong with the following code?
a) thirdNumber in line 7 must be in quotes.
b) The words Enter an integer in line 6 should not be in quotes.
c) The word thirdnumber in line 3 should have a comma after it.
d) The word var must be placed before thirdNumber in line 3.
4. Which of the following is not a valid variable name?
a) Tax1
b) eightball_8
c) 12footage
d) pageNumber1200
5. What will the browser display if the following script is executed and the user enters 5 at both
prompts?
a) nothing
b) 0
c) 10

d) 55
6.. What is the result of the statement 17 % 5?
a) 0
b) 2
c) 3
d) 12
7. What does the following expression evaluate to?
( ( 3 + ( 5 + 4 ) * 7 ) + 4 ) / 5
a) 8
b) 14
c) 17.6
d) 26.4
8. Which of the following statements is correctly written?
a) If ( studentGrade >= 60 )
document.writeln( "Passed" );
b) if ( studentGrade >= 60 );
c) if ( studentGrade >= 60 )
document.write( "Passed" );
d) If ( studentGrade >= 60 );
9. What would the browser display if the following code were executed in a script?
var x = 11;
var y = 14;
if ( x > 13 )
if ( y > 13 )
document.writeln( "x and y are > 13" );
else
document.writeln( "x is <= 13" );
a) nothing
b) 11
c) x and y are > 13
d) x is <= 13
10. What is displayed by the following javascript snippet.
var grade = 59;
if ( grade >= 60 )

document.writeln( "Passed." );
else
document.write( "Failed. " );
document.writeln( "You must take this course again." );
a) Passed.
b) Failed.
c) You must take this course again.
d) Failed. You must take this course again.
var product = 0;
while ( product <= 25 );
product = 2 + product;
a) nothing, the script would result in an error
b) 0
c) 25
d) 26
var product = 0;
while (product >= 25)
document.writeln( product );
b) 0
c) 24
d) 26
13. What would the browser display if the following script were executed?
a) Nothing; the browser would generate an error.
b) 0
c) 50
d) 60

b) 0
c) -50
d) -60
15. If the string passed to parseInt contains a floating-point numeric value, parseInt will
________.
a) return NaN
b) return 0
c) round the value to the nearest tenth
d) truncate the floating-point part to be left with an integer value
16. If the string passed to parseInt contains text characters, parseInt will ________.
a) return NaN
b) return 0
c) return the sum of the characters' ASCII values
d) truncate the text entries
17. What output will the following script produce?
var i = 0;
var j = 3;
var counter = 0;
while ( i < 5 )
{
if (i != j)
counter = counter + i;
i = i + 1
}
document.write( counter );
a) 9
b) 14
c) 3
d) 7
18. Which of the following is the proper method to access the length of the array arr?
a) arr[].length
b) arr[subscript].length
c) arr.length
d) arr(length)
19. To divide the value of the seventh element of array a by 2 and assign the result to the variable
x, we would write ________.

a) x / 2 = a( 7 )
b) x = a[ 7 ] / 2
c) x = a[ 6 ] / 2
d) x = a( 6 / 2 )
20. Which of the following is the proper method to dynamically allocate memory to an array of
100 elements?
a) var c = new c[ 100 ];
b) var c = new c( 100 );
c) var c = new Array[ 100 ];
d) var c = new Array( 100 );
21. The first statement below ________ the array while the second statement ________ the
array.
var c;
c = new Array( 12 );
a) declares, initializes
b) initializes, declares
c) declares, allocates
d) allocates, declares
22. Which of the following is an illegal array initialization statement?
a) var n = [ 10, 20, 30, 40, 50 ];
b) var n = new Array( 10, 20, 30, 40, 50 );
c) var n[ 10, 20, 30, 40, 50 ];
d) var n = new Array( 5 );
for ( var i = 1; i <= 5; i++ )
n[ i ] = i * 10 ;
23. What is the value of num assuming that all 12 elements of array test are initialized to 3?
++test[ 7 ];
var num = test[ 7 ];
a) 3
b) 4
c) 8
d) 10
24. What will the browser display if the following script is executed?
a) Nothing, the browser will generate an error.
b) 1 2 3 4 5 6 7 8 9

c) 1 2 11 4 5 6 7 8 9
d) 1 2 3 11 5 6 7 8 9
25. What does the variable string contain after the following code is executed?
var string = "Good luck on the test";
string = string.charAt( 3 );
a) Goo
b) 3
c) d
d) Nothing, the string conversion generates an error.
string = string.split( " " );
a) an array containing the strings "Good", "luck", "on", "the" and "test"
b) the string "Good.luck.on.the.test"
c) the string "Good,luck,on,the,test"
d) Nothing, the string conversion will generate an error.
27. What is the value of s3 after the following code is executed?
var s1 = “one”;
var s2 = “two”;
var s3 = “three”;
s1.concat( s2 );
s3 = s1;
a) one
b) onetwo
c) three
d) onetwothree
28. Which of the following methods would you use to search a string for a specific character?
a) substring
b) charAt
c) substr
d) indexOf
29. The window object includes the method _____ for creating new browser windows.
a) new
b) open
c) create
d) spawn

30. Method _____ of the window object provides a way to ask users for input.
a) close
b) response
c) ask
d) prompt
blue?
”);
”);
”);
a) Tax1
b) eightball_8
c) 12footage
d) pageNumber1200
prompts?

a) nothing
b) 0
c) 10
d) 55
a) 0
b) 2
c) 3
d) 12
( ( 3 + ( 5 + 4 ) * 7 ) + 4 ) / 5
a) 8
b) 14
c) 17.6
d) 26.4
var x = 11;
var y = 14;
if ( x > 13 )
if ( y > 13 )
else
a) nothing
b) 11
c) x and y are > 13
d) x is <= 13

var grade = 59;
if ( grade >= 60 )
else
a) Passed.
b) Failed.
var product = 0;
b) 0
c) 25
d) 26
var product = 0;
b) 0
c) 24
d) 26
b) 0
c) 50
d) 60

b) 0
c) -50
d) -60
________.
a) return NaN
b) return 0
a) return NaN
b) return 0
var i = 0;
var j = 3;
var counter = 0;
while ( i < 5 )
{
if (i != j)
i = i + 1
}
a) 9
b) 14
c) 3
d) 7
a) arr[].length
c) arr.length

d) arr(length)
a) x / 2 = a( 7 )
b) x = a[ 7 ] / 2
c) x = a[ 6 ] / 2
d) x = a( 6 / 2 )
100 elements?
a) var c = new c[ 100 ];
b) var c = new c( 100 );
array.
var c;
a) var n = [ 10, 20, 30, 40, 50 ];
b) var n = new Array( 10, 20, 30, 40, 50 );
c) var n[ 10, 20, 30, 40, 50 ];
for ( var i = 1; i <= 5; i++ )
n[ i ] = i * 10 ;
++test[ 7 ];
a) 3
b) 4
c) 8
d) 10

b) 1 2 3 4 5 6 7 8 9
c) 1 2 11 4 5 6 7 8 9
d) 1 2 3 11 5 6 7 8 9
a) Goo
b) 3
c) d
var s1 = “one”;
var s2 = “two”;
s1.concat( s2 );
s3 = s1;
a) one
b) onetwo
c) three
d) onetwothree
a) substring
b) charAt
c) substr
d) indexOf
a) new

b) open
c) create
d) spawn
a) close
b) response
c) ask
d) prompt
blue?
”);
”);
”);
a) Tax1
b) eightball_8
c) 12footage
d) pageNumber1200

prompts?
a) nothing
b) 0
c) 10
d) 55
a) 0
b) 2
c) 3
d) 12
( ( 3 + ( 5 + 4 ) * 7 ) + 4 ) / 5
a) 8
b) 14
c) 17.6
d) 26.4
var x = 11;
var y = 14;
if ( x > 13 )
if ( y > 13 )
else
a) nothing
b) 11

c) x and y are > 13
d) x is <= 13
var grade = 59;
if ( grade >= 60 )
else
a) Passed.
b) Failed.
var product = 0;
b) 0
c) 25
d) 26
var product = 0;
b) 0
c) 24
d) 26
b) 0

c) 50
d) 60
b) 0
c) -50
d) -60
________.
a) return NaN
b) return 0
a) return NaN
b) return 0
var i = 0;
var j = 3;
var counter = 0;
while ( i < 5 )
{
if (i != j)
i = i + 1
}
a) 9
b) 14
c) 3
d) 7
a) arr[].length

c) arr.length
d) arr(length)
a) x / 2 = a( 7 )
b) x = a[ 7 ] / 2
c) x = a[ 6 ] / 2
d) x = a( 6 / 2 )
100 elements?
a) var c = new c[ 100 ];
b) var c = new c( 100 );
array.
var c;
a) var n = [ 10, 20, 30, 40, 50 ];
b) var n = new Array( 10, 20, 30, 40, 50 );
c) var n[ 10, 20, 30, 40, 50 ];
for ( var i = 1; i <= 5; i++ )
n[ i ] = i * 10 ;
++test[ 7 ];
a) 3
b) 4
c) 8

d) 10
b) 1 2 3 4 5 6 7 8 9
c) 1 2 11 4 5 6 7 8 9
d) 1 2 3 11 5 6 7 8 9
a) Goo
b) 3
c) d
var s1 = “one”;
var s2 = “two”;
s1.concat( s2 );
s3 = s1;
a) one
b) onetwo
c) three
d) onetwothree
a) substring
b) charAt
c) substr
d) indexOf

a) new
b) open
c) create
d) spawn
a) close
b) response
c) ask
d) prompt
Solution
blue?
”);
”);
”);
ans)option D is correct
ans)option A correct

ans)option D is correct
a) Tax1
b) eightball_8
c) 12footage
d) pageNumber1200
ans) option C correct
prompts?
a) nothing
b) 0
c) 10
d) 55
a) 0
b) 2
c) 3
d) 12
ans)option B correct

( ( 3 + ( 5 + 4 ) * 7 ) + 4 ) / 5
a) 8
b) 14
c) 17.6
d) 26.4
ans) option C correct
var x = 11;
var y = 14;
if ( x > 13 )
if ( y > 13 )
else
a) nothing
b) 11
c) x and y are > 13
d) x is <= 13

ans)option A is correct
var grade = 59;
if ( grade >= 60 )
else
a) Passed.
b) Failed.
ans)option D correct
var product = 0;
b) 0
c) 25
d) 26
ans)option A was correct
var product = 0;

b) 0
c) 24
d) 26
b) 0
c) 50
d) 60
b) 0
c) -50
d) -60
________.
a) return NaN
b) return 0

a) return NaN
b) return 0
var i = 0;
var j = 3;
var counter = 0;
while ( i < 5 )
{
if (i != j)
i = i + 1
}
a) 9
b) 14
c) 3
d) 7
a) arr[].length
c) arr.length
d) arr(length)
ans)option C correct

19. To divide the value of the seventh element of array a by 2 and assign the result to the
variable x, we would write ________.
a) x / 2 = a( 7 )
b) x = a[ 7 ] / 2
c) x = a[ 6 ] / 2
d) x = a( 6 / 2 )
100 elements?
a) var c = new c[ 100 ];
b) var c = new c( 100 );
array.
var c;
a) var n = [ 10, 20, 30, 40, 50 ];
b) var n = new Array( 10, 20, 30, 40, 50 );
c) var n[ 10, 20, 30, 40, 50 ];
for ( var i = 1; i <= 5; i++ )
n[ i ] = i * 10 ;

++test[ 7 ];
a) 3
b) 4
c) 8
d) 10
b) 1 2 3 4 5 6 7 8 9
c) 1 2 11 4 5 6 7 8 9
d) 1 2 3 11 5 6 7 8 9
ans)option B correct but the browser does not show anything in comments
a) Goo
b) 3
c) d

var s1 = “one”;
var s2 = “two”;
s1.concat( s2 );
s3 = s1;
a) one
b) onetwo
c) three
d) onetwothree
a) substring
b) charAt
c) substr
d) indexOf
a) new
b) open
c) create
d) spawn
ans) option B correct
a) close
b) response
c) ask

d) prompt

1. Which of the following statements would correctly print out t.pdf

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1. Which of the following statements would correctly print out t.pdf