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  • A Very Simple & Easy Javascript Form Validation

    @vishal.chandola
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    Here is a simple way to validate user name and password in an HTML form using java script. 

    <html>
<head>
<title>
Login page
</title>
</head>
<body>
<h1 style="font-family:Arial;text-align="center";font-size:20pt;
color:#00FF00;">A Very Simple & Easy Javascript Form Validation  </h1>
<form name="login">
Username<input type="text" name="userid"/>
Password<input type="password" name="pswrd"/>
<input type="button" onclick="check(this.form)" value="Login"/>
<input type="reset" value="Cancel"/>
</form>
<script language="javascript">
function check(form)/*function to check userid & password*/
{
/*the following code checkes whether the entered userid and password are matching*/
if(form.userid.value == "userid" && form.pswrd.value == "password")
{
window.open('target.html')/*opens the target page while Id & password matches*/
}
else
{
alert("Error Password or Username")/*displays error message*/
}
}
</script>
</body>
</html>
    Javascript
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