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JavaScript - Simple Display Image From List

In this tutorial we will create a Simple Display Image From List using JavaScript. This code will dynamically display an image in the page when user click something in the list value. The code use onclick() function to initiate a method that will immediately display an image in the page when passing a string name as an argument. This is a free user-friendly kind of program, you can modify it and apply to your working application. We will be using JavaScript as a server-side scripting language because It allows greater control of your web page behavior than HTML alone. It is embedded in HTML that responsible to allow user to interact with the computer .

Getting started:

First you have to download bootstrap framework, this is the link for the bootstrap that I used for the layout design

The Main Interface

This code contains the interface of the application. To create this just write these block of code inside the text editor and save this as index.html.
  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1"/>
  5. <link rel="stylesheet" type="text/css" href="css/bootstrap.css"/>
  6. </head>
  7. <nav class="navbar navbar-default">
  8. <div class="container-fluid">
  9. <a class="navbar-brand" href="">Sourcecodester</a>
  10. </div>
  11. </nav>
  12. <div class="col-md-3"></div>
  13. <div class="col-md-6 well">
  14. <h3 class="text-primary">JavaScript - Simple Display Image From List</h3>
  15. <hr style="border-top:1px dotted #ccc;">
  16. <div class="col-md-3">
  17. <ul>
  18. <li style="cursor:pointer;" onclick="displayImage('image1');">Image 1</li>
  19. <li style="cursor:pointer;" onclick="displayImage('image2');">Image 2</li>
  20. <li style="cursor:pointer;" onclick="displayImage('image3');">Image 3</li>
  21. <li style="cursor:pointer;" onclick="displayImage('image4');">Image 4</li>
  22. <li style="cursor:pointer;" onclick="displayImage('image5');">Image 5</li>
  23. </ul>
  24. </div>
  25. <div class="col-md-7">
  26. <div id="result">
  27. <center><h1>Image Here...</h1></center>
  28. </div>
  29. </div>
  30. </div>
  31. <script src="js/script.js"></script>
  32. </body>
  33. </html>

Creating the Script

This code contains the script of the application. This code will display an image when a list has been clicked. To do this just copy and write these block of codes inside the text editor, then save it as script.js inside the js folder.
  1. function displayImage(img){
  2. var result=document.getElementById('result');
  3. result.innerHTML="<img src='images/"+img+".jpg' width='100%' height='250px'/>";
  4. }
There you have it we successfully created a Simple Display Image From List using JavaScript. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!

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