15)Write a JavaScript code for accepting name and mobile number from user. (use validations). Required Validations are : Name text field should not accept numbers, special characters, alphanumeric characters, length should be 20 characters. Mobile number text field should not accept characters, special characters, alphanumeric characters, length should be 10 digits. Write a JavaScript code for accepting user name and password (use validations). Required Validations are : User name text field should not accept numbers, special characters, alphanumeric characters, length should be 20 characters. Password text field length should not be less than 3 characters


<html>
<head>
<title>Greeting according to the time of the day</title>
<script language=”javascript”>
function Greetings()
{
Var theDate = new Date();
Var theHour = theDate.getHours();
if(theHour<=6)
{
alert(“Early Good Morning”);
}
if((theHour>6)&&(theHour<=12))
{
alert(“Good Morning”);
}
if((theHour>12)&&(theHour<=17))
{
alert(“Good Afternoon”);
}
if(theHour>17)
{
alert(“Good Evening”);
}
}
</script>
</head>
<body onLoad=”Greetings()”>
<center>
<h1>Greeting according to the times of the day</h1>
</center>
<center><b>WEL-COME TO MY HOMEPAGE!</b></center>
</body>
</html>

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