PRAKTIKUM ZA VEŽBE IZ PREDMETA
INTERNET TEHNOLOGIJE
JAVA SCRIPT PRAKTIKUM
Laboratorija za elektronsko poslovanje
Beograd 2009.
2 Alert, Confirm, Prompt
<
script
language
="
JavaScript
"
>
var
pomocna
=
confirm
(
"Da li Vam se svidja predmet Internet
tehnologije ?"
);
if
(
pomocna
==
true
)
alert
(
"Odlicno"
)
else
alert
(
"Promasili ste smer"
)
var
ime
=
prompt
(
"Kako se zovete"
,
"***"
)
alert
(
"Postovani "
+
ime
+
", "
+
"ovo je primer za metode objekta
window"
);
</
script
>
3 Skript za konverziju
<
html
>
<
head
>
<
title
>
Konverzija
</
title
>
</
head
>
<
body
>
<
form
name
="
promena
"
>
<
input
type
=t
ex
t
name
="
KB
"
size
="
16
"
>
KB
<
BR
>
<
input
type
=b
utto
n
name
="
dugme
"
value
="
< >
"
onClick
="convertuj
()
"
>
<
BR
>
<
input
type
=t
ex
t
name
="
MB
"
size
="
16
"
>
MB
<
BR
>
<
input
type
=r
ese
t
value
="
Obrisi
"
>
</
form
>
<
SCRIPT
LANGUAGE
="
JavaScript
"
>
function
convertuj
()
{
if
(
document
.
promena
.
KB
.
value
)
{
document
.
promena
.
MB
.
value
=
eval
(
document
.
promena
.
KB
.
value
/
1024
);
}
else
{
if
(
document
.
promena
.
MB
.
value
)
{
document
.
promena
.
KB
.
value
=
eval
(
document
.
promena
.
MB
.
value
*
1024
);
}
}
}
</
SCRIPT
>
</
body
>
</
html
>
4
4 Dropdown meni
<!DOCTYPE
HTML
PUBLIC
"
-//W3C//DTD
HTML
4.01//EN
"
"
http://www.w3.org/TR/html4/strict.dtd
"
>
<
html
>
<
head
>
<
meta
http-equiv
="
Content-Type
"
content
="
text/html;
charset=iso-8859-1
"
/>
<
title
>
Meni
</
title
>
<
SCRIPT
Language
="
JavaScript
"
>
function
ucitajmeni
(
meni
){
location
.
href
=
meni
.
options
[
meni
.
selectedIndex
].
value
}
</
SCRIPT
>
</
head
>
<
body
>
<
FORM
>
<
FONT
SIZE
=4
>
<
P
>
<
SELECT
NAME
="
Meni
"
SIZE
=4
>
<
OPTION
VALUE
="
http://www.myelab.net
"
>
Myelab
</
OPTION
>
<
OPTION
VALUE
="
http://www.fon.rs
"
>
FON
</
OPTION
>
<
OPTION
VALUE
="
http://www.google.com
"
>
Google
</
OPTION
>
<
OPTION
VALUE
="
http://www.yahoo.com
"
>
Yahoo
</
OPTION
>
<
OPTION
VALUE
=""
>
Sesta opcija
</
OPTION
>
</
SELECT
>
</
FONT
>
<
BR
><
BR
>
<
INPUT
TYPE
=B
UTTO
N
VALUE
="
Izaberi opciju
"
onClick
= "ucitajmeni
(
this
.
form
.
Meni
)
"
>
</
FORM
>
</
body
>
</
html
>
5
6 Browser, Operativni sistem, Url
<
script
language
=J
avaScrip
t
>
document
.
write
(
"Vas browser je "
+
window
.
navigator
.
appName
+
"<br>"
);
document
.
write
(
"Verzija "
+
window
.
navigator
.
appVersion
+
"<br>"
);
document
.
write
(
"Operativni sistem "
+
window
.
navigator
.
platform
"<br>"
);
document
.
write
(
"Trenutna URL adresa:
+
window
.
location
.
href
);
</
script
>
7
