JavaScript нинг url-sxemasi
URL (Uniform Resource Locator) sxemasi – bul Web-texnologiyanin’ tiykarg’i elementlerinen biri esaplanadi. Web de har bir axborat resursi o’zinin’ unikal URL ina iye . URL A konteynerinin’ HREF atributinda, IMG konteynerinin’ SRC atributinda, FORM konteynerdin’ ACTION atributinda ham basqalarda beriledi. Barliq URL mulaqat protokoli tu’rine qarap tu’rli bo’limlerge bo’linedi, ma’selen, FTP-arxivge baylanis ushin ftp sxema qollandiradi, Gopher-arxivg’a baylanis ushin - gopher sxemadan paydalaniladi, elektron poshtani jo’netiw ushin - smtp sxemadan paydalaniladi. Sxema tu’ri URL nin’ birinshi komponenti arqali aniqlanadi: http://intuit.ru/directory/page.html
Usi halda URL http – menen baslanadi ham ruxsat sxemasini (http sxema).
Giperteksi sistemali programmalastiriw tilinin’ tiykarg’i waziypasi giperteksli o’tiwler programmalastiriw. Bul soni an’latadi, ol yaki bul giperteks silkanin’ basiliwi gipertekstli o’tiwdi a’melge asiriwshi programmani iske tu’siredi. Web-texnologiyada usig’an uqsas standart programmalar web betti ju’klew programmalari esaplanadi. JavaScript usi standart programmalardi paydalaniwshi programmag’a aylandiradi. HTTP protocol boyinsha standart o’tiwler pariqlaniw maxsetinde JavaScript da ayriqsha URL sxema usinis etilgen:
<A HREF="JavaScript:JavaScript_kod">...</A>
<IMG SRC="JavaScript:JavaScript_kod">
Ameliy jumis
Java Scripte brauzer ushin oyinlar jaratiw “Tekseriw qutisi “ oyini kodi to’mendegilerden ibarat:
<HTML>
<HEAD>
<TITLE>JavaScript Source Code 3000: Games: CheckBoxes</TITLE>
<META HTTP-EQUIV="JavaScript Source Code 3000" CONTENT = "no-cache">
<META NAME="date" CONTENT="2000-09-09">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="Tomer Shiran">
<META NAME="section" CONTENT="Games">
<META NAME="description" CONTENT="Just how many boxes can you check in 20 seconds? Play this interesting JavaScript game and find out.">
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var total = 0
var play = false
function display(element) {
var now = new Date()
if (!play) {
play = true
startTime = now.getTime()
}
if (now.getTime() - startTime > 20000) {
element.checked = !element.checked
return
}
if (element.checked)
total++
else
total--
element.form.num.value = total
}
function restart(form) {
total = 0
play = false
for (var i = 1; i <= 100; ++i) {
form.elements[i].checked = false
}
}
// End -->
</SCRIPT>
</HEAD>
<BODY BGCOLOR=#ffffff vlink=#0000ff>
<BR>
<center>
<table width="600" cellpadding="0" cellspacing="10">
<tr>
<td width="468" align="center">
</td>
<td width="120" align="center">
</td>
</tr>
</table>
<BR>
<BR>
<BASEFONT SIZE=3>
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td><font FACE="helvetica,arial,geneva">
<br>
<br>
<!-- Description --><!--content_start-->
20 jigirma sekund ishinde neshe ketekshe teksere alasiz? Bul qiziqli JavaScript oyinin oynan ham tabin'.
<br>
<hr>
</td></tr>
</table>
<!-- Demonstration -->
<BODY>
<CENTER>O'zinizdi sinap korin'. 20 sekunt ishinde neshe keteksheni teksere alasiz?</CENTER>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
document.write("<FORM><CENTER>")
document.write('<INPUT TYPE="text" VALUE="0" NAME="num" ');
document.write('SIZE=10 onFocus="this.blur()"><BR>')
document.write("<HR SIZE=1 WIDTH=40%>")
for (var i = 0; i < 10; ++i) {
for (var j = 0; j < 10; ++j) {
document.write('<INPUT TYPE="checkbox" onClick="display(this)">')}
document.write("<BR>")}
document.write("<HR SIZE=1 WIDTH=40%>")
document.write('<INPUT TYPE="button" VALUE="restart" ');
document.write('onClick="restart(this.form)">')
document.write("</CENTER></FORM>")
// End -->
</SCRIPT>
<P>
<P>
<a name="source">
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td BGCOLOR=blue>
<font FACE="helvetica,arial,geneva"><b>Xudaybergenov Da'wletaliy 3a KI studenti<br><br></font></td></tr>
<tr><td BGCOLOR=blue ALIGN=CENTER>
<form NAME="copy">
<br><font FACE="helvetica,arial,geneva"></font></td></tr>
</table>
</form>
</FONT>
</CENTER>
</center>
</body></html>
