Validación de Correo
El siguiente Codigo nos muestra la validacion del correo electronico en Funcion A Html y JavaScript <html> | |
<head>
| |
| <title>Validar correo</title> | |
| <script type="text/javascript"> | |
| function validarcorreo(){ | |
| var i; var correo; | |
| correo=document.form.correo.value; | |
| var c=0; | |
| var p=0; | |
| var s=""; | |
| s=correo.length; | |
| for (i=1;i<=s;i++) | |
| { | |
| if(correo.substring(i-1,i)=="@") | |
| { | |
| c++; | |
| } | |
| if(c==1) | |
| { | |
| if(correo.substring(i-1,i)==".") | |
| { | |
| p++; | |
| } | |
| } | |
| } | |
| if(c==1 && p==2 || p==1) | |
| { | |
| alert("Correo valido =)!!"); | |
| }else{ | |
| alert("CORREO NO VALIDO!!"); | |
| document.form.correo.value=""; | |
| } | |
| } | |
| </script> | |
| </head> | |
| <body bgcolor="F6F3D3"> | |
| <div align="center"> | |
| <h3>INGRESE EL CORREO</H3> | |
| <form name="form"> | |
| <input type="text" name="correo" onchange="validarcorreo()" size="60"/><br><br> | |
| <input type="submit" value="VER" > | |
| </form> | |
| </div> | |
| </body> | |
| </html> |
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