- Canali
- Scripts
- Javascript
- Operazioni con campi di un form
Text Box espandibile
Text Box espandibile
Text Box che si espande a seconda del contenuto.
Questo script permette al text box di allargarsi man mano che inseriamo dei caratteri.
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function call_me(max_length) {
if((document.form1.mybox.value == null ) || (document.form1.mybox.value == "" )) document.form1.mybox.size = size;
if((document.form1.mybox.value.length >= size)&&(document.form1.mybox.value.length <= max_length)) document.form1.mybox.size = document.form1.mybox.value.length + 1;
else document.form1.mybox.size = size;
}
// End -->
</script>
</HEAD>
<BODY>
<form name="form1">
Inserire testo: <input type="text" style="font-family: Terminal" name="mybox" maxlength="30" size="10" onFocus="setInterval('call_me(document.form1.mybox.maxLength)', 1)">
<!--/style needs to be a font that has a fixed size attribute like TERMINAL/-->
</form>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var size = document.form1.mybox.size; //Global Variable keeps original size
// End -->
</script>
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