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Multiple Choice Quiz
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Programming the Web Using XHTML and JavaScript
Larry Randles Lagerstrom
Functions and Parameters
Multiple Choice Quiz
1
What does the following script display?
<script>
function greet(name){
alert("hello " + name)
}
greet("Shelly")
</script>
A)
hello name
B)
hello Shelly
C)
greet("Shelley")
D)
nothing is displayed
2
What does the following script display?
<script>
function greet(name){
alert("hello " + name)
}
</script>
A)
hello name
B)
hello Shelly
C)
greet("Shelley")
D)
nothing is displayed
3
What does the following script display?
<script>
function greet(first, last){
alert("hello " + first + last)
}
greet("Shelly ", " Alexander")
</script>
A)
hello + first + last
B)
hello + Shelly + Alexander
C)
hello Shelly Alexander
D)
nothing is displayed
4
Given this function definition, which is the correct way to call it?
function sayHello(first, last){
alert("hello " + first + last)
}
A)
sayHello("cis", "111")
B)
sayHello("cis, 111")
C)
sayHello("cis" + "111")
D)
none of the above
5
Which is a correct reference to the fourth image object on a web page?
A)
document.images[5]
B)
document.images(4)
C)
document.images[4]
D)
document.images{4}
6
The following statements are an example of _____
var up = new Image(), down = new Image()
up.src = up.gif
down.src = down.gif
A)
displaying inline images
B)
displaying images out-of-line
C)
preloading images
D)
an image rollover
7
Which statement displays the URL of the initial image on a web page?
A)
window.images[0].src
B)
document.images[1].src
C)
document.images[0].source
D)
none of the above
8
Which of the following is recognized by both XHTML and HTML?
A)
<img src="stonehengepic.gif" id="stonehenge" />
B)
<img src="stonehengepic.gif" name="stonehenge" id="stonehenge.gif" />
C)
<img src="stonehengepic.gif" identifier="stonehenge" name="stonehenge" />
D)
<img src="stonehengepic.gif" handle="stonehenge" />
9
What will this script display?
<script>
var onSecond = "on first? "
function whose(onFirst){
alert("who's " + onFirst) } // end whose
//call function
whose(onSecond)
</script>
A)
who's on first?
B)
who's onSecond
C)
who?
D)
that's right!
10
What will this script display?
<script>
var onSecond = "no, who's on first "
function whose(onFirst){
alert("who's " + onFirst) } // end whose
//call function
whose("onSecond?")
</script>
A)
who's onSecond?
B)
no, who's on first!
C)
who?
D)
that's right!
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