1. Write a javascript to display message ‘Good Morning’ using alert box
Programme:-
<html>
<script>
window.alert("Good Morning");
</script>
</html>
2. Write a javascript function to validate username and password for a
membership form.
Programme:-
<html>
<body>
<form name="f1" onsubmit="validateform()" >
Username: <input type="text" name="name"><br/>
Password: <input type="password" name="password"><br/>
Re-enter Password:<input type="password" name="password2"/><br/>
<input type="submit" value="Submit">
</form>
</body>
<script>
function validateform()
{
var name=document.f1.name.value;
var password =document.f1.password.value;
var password1 =document.f1.password2.value;
if (name==null || name=="")
{
alert("Name can't be blank");
}
else if(password.length<6)
{
alert("Password must be at least 6 characters long.");
}
else if(password == password1)
{
alert("You logged in successfully.");
}
else
{
alert("password must be same!");
}
}
</script>
</html>
3. Using Javascript function, display the string in different formatting
styles(Bold, italic, underline, strikethrough, hypertext etc)
Programme:-
<html>
<body>
<script>
var txt = "Avdhoot Navnath Avhad";
document.write("The original string: " + txt);
document.write("<p>Big: " + txt.big() + "</p>");
document.write("<p>Small: " + txt.small() + "</p>");
document.write("<p>Bold: " + txt.bold() + "</p>");
document.write("<p>Italic: " + txt.italics() + "</p>");
document.write("<p>Fixed: " + txt.fixed() + "</p>");
document.write("<p>Strike: " + txt.strike() + "</p>");
document.write("<p>Fontcolor: " + txt.fontcolor("green") + "</p>");
document.write("<p>Fontsize: " + txt.fontsize(6) + "</p>");
document.write("<p>Subscript: " + txt.sub() + "</p>");
document.write("<p>Superscript: " + txt.sup() + "</p>");
document.write("<p>Link: " + txt.link("https://www.drdo.gov.in") + "</p>");
document.write("<p>Blink: " + txt.blink());
//document.write("<p>Underline:" + txt.underline());
//document.write("<p>Hypertext: " + txt.hypertext());
</script>
</body>
</html>
4. Write a Javascript to create a FIFO queue . Insert new element in it
(Hint: Use concept of Array )
Programme:-
<html>
<script>
var a=[45,78,96,52];
document.writeln(a,"<br>");
document.writeln("Insert element in queue.<br>");
var value=prompt("Enter number :");
var b =a.unshift(value);
document.writeln("No of elements in array :",b);
document.writeln("<br>",a);
</script>
</html>
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If anyone has Doubts or suggestions please let me know