Foros del Web - Ver Mensaje Individual

emprear · #2 (**permalink**) 18/10/2012, 05:28

Estás identificando mal el form, debe ser

document.forms['f1']

Código HTML:

Ver original<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>titulo</title> 
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
 
<style type="text/css">
/*<![CDATA[*/
 
/* estilos */ 
 
/*]]>*/
</style>
<script type="text/javascript">
//<![CDATA[
function visibleChecks(){
 
    for (i=0;i < document.forms['f1'].elements.length;i++){ 
        if(document.forms['f1'].elements[i].type == "checkbox"){ 
            document.forms['f1'].elements[i].style.display = "inline"; 
        }
    }    
}
 
//]]>
</script>
</head>
<body>
<form name="f1" action="#">
<input type="checkbox" style="display: none;" />
<input type="checkbox" style="display: none;" />
<input type="button" onclick="visibleChecks()" value="mostrar cb" />
</form>
</body>
</html>