Kod: Zaznacz cały
<script type="text/javascript">
var ns6=document.getElementById&&!document.all
function restrictinput(maxlength,e,placeholder){
if (window.event&&event.srcElement.value.length>=maxlength)
return false
else if (e.target&&e.target==eval(placeholder)&&e.target.value.length>=maxlength){
var pressedkey=/[a-zA-Z0-9.,/]/ //detect alphanumeric keys
if (pressedkey.test(String.fromCharCode(e.which)))
e.stopPropagation()
}
}
function countlimit(maxlength,e,placeholder){
var theform=eval(placeholder)
var lengthleft=maxlength-theform.value.length
var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder)
if (window.event||e.target&&e.target==eval(placeholder)){
if (lengthleft<0)
theform.value=theform.value.substring(0,maxlength)
placeholderobj.innerHTML=lengthleft
}
}
function displaylimit(thename, theid, thelimit){
var theform=theid!=""? document.getElementById(theid) : thename
var limit_text='<font color="red" size="2"><b><span id="'+theform.toString()+'">'+thelimit+'</span></b></font> - pozostało'
if (document.all||ns6)
document.write(limit_text)
if (document.all){
eval(theform).onkeypress=function(){ return restrictinput(thelimit,event,theform)}
eval(theform).onkeyup=function(){ countlimit(thelimit,event,theform)}
}
else if (ns6){
document.body.addEventListener('keypress', function(event) { restrictinput(thelimit,event,theform) }, true);
document.body.addEventListener('keyup', function(event) { countlimit(thelimit,event,theform) }, true);
}
}
</script>
Kod: Zaznacz cały
<form action="plik.php" method="post" name="sampleform">
<br>
Możesz wpisać maksymalnie 250 znaków <BR>
<script> displaylimit("document.sampleform.info","",250)</script><br>
<textarea maxlength="250" name="info" cols="60" rows="5" >
Tutaj wpisz tekst.
</textarea>dla formalności plik.php
Kod: Zaznacz cały
<?php
$info = $_POST["info"];
$direct = '' . $info . '';
$baza = "common.txt";
$fp = fopen($baza, "w");
fwrite ($fp, $direct);
fclose($fp);
echo 'Twój wpis został dodany ';
?>
