JavaScript - Populate Select Element With Arrays

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In this tutorial we will create a Populate Select Element With Arrays using JavaScript. This code will populate the HTML select tag when the user click the populate button. The code use onclick() function to launch a specific function that populate the select tag with array object using for() loop in order to insert the index value one by one as an option value. You can apply this script to your code to make your transaction faster, it is a user-friendly program feel free to modify it.

We will use JavaScript to add some new feature to the website interface by actually written into an HTML page. It is what gives your page a different interactive elements and animation that engage a user.

Getting Started:

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="<a href="">Sourcecodester</a>
  10. " rel="nofollow">">Sourcecodester</a>
  11. </a> </div>
  12. </nav>
  13. <div class="col-md-3"></div>
  14. <div class="col-md-6 well">
  15. <h3 class="text-primary">JavaScript - Populate Select Element With Arrays</h3>
  16. <hr style="border-top:1px dotted #ccc;"/>
  18. <div class="col-md-5">
  19. <pre id="code"></pre>
  21. <center><button class="btn btn-primary" onclick="populateSelect();">Populate</button></center>
  22. </div>
  23. <div class="col-md-7">
  24. <form>
  25. <div class="form-inline">
  26. <select id="data" class="form-control"></select>
  27. </div>
  28. </form>
  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 populate the select tag when the button is clicked. To do this just copy and write these block of codes as shown below inside the text editor and save it as script.js inside the js directory

  1. var arrays=["Philip", "Carl", "Steven", "Yufine", "Henry"];
  3. displayArray();
  4. function displayArray(){
  5. document.getElementById('code').innerHTML=JSON.stringify(arrays, null, 2);
  6. }
  8. function populateSelect(){
  9. var html="";
  11. for(var i=0; i<arrays.length; i++){
  12. console.log(arrays[i]);
  13. html +="<option>"+arrays[i]+"</option>";
  14. }
  16. document.getElementById('data').innerHTML=html;
  17. }

There you have it we successfully created a Populate Select Element With Arrays 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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