Core JavaScript

Basic Output

This is JavaScript program demonstrates how to create simple output messages and message boxes.

Output.html

<!DOCTYPE html>
<html>
  <body>
  	<h1>Basic Output</h1>

    <h2>1. Using write versus writeln</h2>
	<hr />
    <h3>A new line is not added at end of each write().</h3>
    <pre>
      <script>
document.write("In the beginning ");
document.write("God created the heavens and the earth.");
      </script>
    </pre>

    <h3>A new line is added at end of each writeln().</h3>
    <pre>
      <script>
document.writeln("In the beginning ");
document.writeln("God created the heavens and the earth.");
      </script>
    </pre>
    <h4>Note: A pre element is needed to see a new line character</h4>
	<hr />

    <h2>2. Using an alert to create a message box pop up</h2>
    <script>
alert("In the beginning God created the heavens and the earth.");
    </script>

  </body>
</html>
 

Output

 
 

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