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JavaScript - Add New Row In Table

In this tutorial we will create a Add New Row In Table using JavaScript. This code will dynamically add a new table row when the user click the add button. The code use onclick() function in order to launch a method that can generate a new table row using appendChild() as dot notation in the parent element. 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 hmtl>
  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 - Add New Row In Table</h3>
  15. <hr style="border-top:1px dotted #ccc;"/>
  16. <div class="col-md-4">
  17. <form>
  18. <div class="form-group">
  19. <label>Firstname</label>
  20. <input type="text" id="firstname" class="form-control" />
  21. </div>
  22. <div class="form-group">
  23. <label>Lastname</label>
  24. <input type="text" id="lastname" class="form-control" />
  25. </div>
  26. <center><button type="button" class="btn btn-primary" onclick="addRow();">Add row</button></center>
  27. </form>
  28. </div>
  29. <div class="col-md-8">
  30. <table class="table table-bordered">
  31. <thead class="alert-info">
  32. <tr>
  33. <th>Firstname</th>
  34. <th>Lastname</th>
  35. </tr>
  36. </thead>
  37. <tbody id="result">
  38. <tr><td>John</td><td>Smith</td></tr>
  39. </tbody>
  40. </table>
  41. </div>
  42. </div>
  43. <script src="js/script.js"></script>
  44. </body>
  45. </html>

Creating the Script

This code contains the script of the application. This code will add new row 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. function addRow(){
  2. var firstname=document.getElementById('firstname').value;
  3. var lastname=document.getElementById('lastname').value;
  5. if(firstname =="" || lastname ==""){
  6. alert("Please enter something first!");
  7. }else{
  8. var parent=document.createElement('tr');
  9. var col1=document.createElement('td');
  10. var col2=document.createElement('td');
  11. var text1=document.createTextNode(firstname);
  12. var text2=document.createTextNode(lastname);
  13. col1.appendChild(text1);
  14. col2.appendChild(text2);
  15. parent.appendChild(col1);
  16. parent.appendChild(col2);
  18. document.getElementById('result').appendChild(parent);
  20. document.getElementById('firstname').value="";
  21. document.getElementById('lastname').value="";
  22. }
  24. }
There you have it we successfully created a Add New Row In Table 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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