Text on an html page:

<html>

<body>

<script language="javascript">

document.write("Hello World!");

</script>

</body>

</html>

Formatted text on an html page:

<html>

<body>

<script language="javascript">

document.write("<h1>Hello World!</h1>");

</script>

</body>

</html>

Text with a variable on an html page:

<html>

<body>

<script language="javascript">

var name = "Sarah";

document.write("Hello "+name);

</script>

</body>

</html>

html>

<body>

<script language="javascript">

var name = "Harry";

document.write(name);

document.write("<h1>"+name+"</h1>");

</script>

<p>This example declares a variable, assigns a value to it, and then displays the variable.</p>

<p>Then the variable is displayed one more time, only this time as a heading.</p>

</body>

</html>

Showing the if statement

<html>

<body>

<script language="javascript">

var d = new Date();

var time = d.getHours();

if (time < 10)

{

document.write("<b>Good morning</b>");

}

</script>

<p>

This example demonstrates the If statement.

</p>

<p>

If the time on your browser is less than 10,

you will get a "Good morning" greeting.

</p>

</body>

</html>

<html>

<body>

<script language="javascript">

var d = new Date();

var time = d.getHours();

if (time < 10)

{

document.write("<b>Good morning</b>");

}

else

{

document.write("<b>Good day</b>")

}

</script>

<p>

This example demonstrates the If...Else statement.

</p>

<p>

If the time on your browser is less than 10,

you will get a "Good morning" greeting.

Otherwise you will get a "Good day" greeting.

</p>

</body>

</html>

<html>

<body>

<script language="javascript">

var d = new Date();

var time = d.getHours();

if (time<10)

{

document.write("<b>Good morning</b>");

}

else if (time>=10 & time<16);

{

document.write("<b>Good day</b>");

}

else

{

document.write("<b>Hello World!</b>");

}

</script>

<p>

This example demonstrates the if..else if...else statement.

</p>

<p>

If the time on your browser is less than 10,

you will get a "Good morning" greeting.

If the time on your browser is between 10 and less than 16 (4pm)you will get a "Good day" greeting.

Greater than 16 you will get a Hello World

</p>

</body>

</html>