<HTML>
<HEAD>
<TITLE>Pobieranie fragmentu acucha znakw, cz 3.</TITLE>
<SCRIPT LANGUAGE="JavaScript">
var mainString = "Elektroencefalograf"
function showResults() {
    var form = document.forms[0]
    var param1 = parseInt(form.param1.options[form.param1.selectedIndex].value)
    var param2 = parseInt(form.param2.options[form.param2.selectedIndex].value)
    if (!param2) {
        form.result1.value = mainString.substring(param1)
    } else {
        form.result1.value = mainString.substring(param1, param2)
    }
}
</SCRIPT>
</HEAD>
<BODY onLoad="showResults()">
<B>Metoda substr()</B>
<HR>
Tekst uywany w przykadzie:<BR>
<FONT SIZE=+1><TT><B>Elektroencefalograf<BR>
----5----5----5----5-</B></TT></FONT>
<TABLE BORDER=1>
<FORM>
<TR><TH>Metoda</TH><TH>Argumenty wywoania metody</TH><TH>Wyniki</TH></TR>
<TR>
<TD>string.substring()</TD><TD>
(&nbsp;<SELECT NAME="param1" onChange="showResults()">
    <OPTION VALUE=0>0
    <OPTION VALUE=1>1
    <OPTION VALUE=2>2
    <OPTION VALUE=3>3
    <OPTION VALUE=5>5
</SELECT>,
<SELECT NAME="param2" onChange="showResults()">
    <OPTION >(None)
    <OPTION VALUE=3>3
    <OPTION VALUE=5>5
    <OPTION VALUE=10>10
</SELECT>&nbsp;) </TD>
<TD><INPUT TYPE="text" NAME="result1" SIZE=25></TD>
</TR>
</FORM>
</TABLE>
</BODY>
</HTML>