Validate JavaScript the registration ,user login, user profile and payment by credit card pages using JavaScript.

LOGIN

<html>

<head>

<script>

function validateform(){

var name=document.myform.name.value;

var password=document.myform.password.value;

if(name==null||name==""){

return false;

}

else if(password.length<6){

alert("password must be at least 6 characterslong.");

return false;

}

else

alert("Welcome"+name);

}

</script>

</head>

<body>

<h3>Login Form</h3>

<form name="myform" method="post" onsubmit="return validatwform()">

Username:<input type="text" name='name"><br/>

password:<input type="password" name="password"><br/>

<input type="submit" value="login'>

</form>

</body>

</html>

OUTPUT: