Que tal!,
Hace unos días alguien pidio ayuda
para saber como buscar un elemento
en una forma, a lo que respondieron un código
el cual probe, pero no me jalo asi
que hice un código que he probado,
en fin espero les sirva...
<html>
<head>
<title>Encontrar el elemento X en el formulario Y,
Credito: Erick Rubio Mendoza -
erubio@i...</title>
<script language="JavaScript">
<!--
function findElementInForm(eName,frmName){
bFound = false //"b" mi estandar para especificar
valores bulianos
for (i = 0; i < eval("document." + frmName +
".elements.length"); i++){
if (eval("document." + frmName +
".elements[i].name") == eName){
bFound = true
break;
}
}
if (bFound){
alert("El elemento " + eName + "\n" + "Si se
encuentra en la forma " + frmName)
}else{
alert("El elemento " + eName + "\n" + "No se
encuentra en la forma " + frmName)
}
}
//-->
</script>
</head>
<body>
<table align="center" border="0">
<tr>
<td>
<form name="frm1">
<table bgcolor="lightgreen" border="1"
align="center">
<caption
style="background-color:teal;color:white">frm1</caption>
<th>Nombre Elemento</th><th>Elemento</th>
<tr><td>btn1</td><td align="center"><input
type="Button" value="ok"></td></tr>
<tr><td>chk1</td><td align="center"><input
type="Checkbox" name="chk1"></td></tr>
<tr><td>fil1</td><td align="center"><input
type="File" name="fil1"></td></tr>
<tr><td>hdn1</td><td align="center"><input
type="Hidden" name="hdn1"></td></tr>
<tr><td>img1</td><td align="center"><input
type="Image" name="img1"></td></tr>
<tr><td>pwd1</td><td align="center"><input
type="Password" name="pwd1"></td></tr>
<tr><td>rdo1</td><td align="center"><input
type="Radio" name="rdo1"></td></tr>
<tr><td>rst1</td><td align="center"><input
type="Reset" name="rst1"></td></tr>
<tr><td>sbm1</td><td align="center"><input
type="Submit" name="sbm1"></td></tr>
<tr><td>txt1</td><td align="center"><input
type="Text" name="txt1"></td></tr>
</table>
</form>
</td>
<td>
<form name="frm2">
<table bgcolor="lightgreen" border="1"
align="center">
<caption
style="background-color:teal;color:white">frm2</caption>
<th>Nombre Elemento</th><th>Elemento</th>
<tr><td>btn2</td><td align="center"><input
type="Button" name="btn2" value="ok"></td></tr>
<tr><td>chk2</td><td align="center"><input
type="Checkbox" name="chk2"></td></tr>
<tr><td>fil2</td><td align="center"><input
type="File" name="fil2"></td></tr>
<tr><td>hdn2</td><td align="center"><input
type="Hidden" name="hdn2"></td></tr>
<tr><td>img2</td><td align="center"><input
type="Image" name="img2"></td></tr>
<tr><td>pwd2</td><td align="center"><input
type="Password" name="pwd2"></td></tr>
<tr><td>rdo2</td><td align="center"><input
type="Radio" name="rdo2"></td></tr>
<tr><td>rst2</td><td align="center"><input
type="Reset" name="rst2"></td></tr>
<tr><td>sbm2</td><td align="center"><input
type="Submit" name="sbm2"></td></tr>
<tr><td>txt2</td><td align="center"><input
type="Text" name="txt2"></td></tr>
</table>
</form>
</td>
</tr>
<tr>
<td colspan="2" align="center">
<form name="frm3">
<table align="center">
<tr>
<td>Elemento a econtrar: <input type="Text"
name="txtEtoFind"></td>
<td>Formulario:<input type="Text"
name="txtFrmName" value="frm1"</td>
<td><input type="Button" name="btnFx"
onclick="findElementInForm(document.frm3.txtEtoFind.value,document.frm3.txtFrmName.value)"
value="Encuentra elemento"></td>
</tr>
</table>
</form>
</td>
<td></td>
</tr>
</table>
</body>
</html>
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