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Practice: Using JavaScript and the DOM to Output Data to a Webpage

The following JavaScript program shows how to combine all of the elements described in the last 3 sections. 

<html>
 <head>
      <title>First JavaScript Program </title>
 </head>
 <body>
   <script>
     /*
       This is an example of JavaScript
     */
     console.log("The program is running") // Write to the console
     document.write("<h1>First JavaScript Program</h1>") //Print head
     document.write("This is my first web page with JavaScript.");
     document.write("<br/>This is on a new line");
     alert("Here is an alert box");
    </script>
  </body>
</html>

Program 24 First JavaScript Program

The result of running this html is the following web page.


Figure 3 – Final Web Page