For this, use document.querySelectorAll().
Example
Following is the code −
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css"> <script src="https://code.jquery.com/jquery-1.12.4.js"></script> <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet" /> <body> <p class="numberDemo">My Paragraph</p> <p class="numberDemo">My Paragraph</p> <p class="numberDemo">My Paragraph</p> <button id="orderDemo">Click to Order the Paragraph</button> </body> <script> document.getElementById('orderDemo') .addEventListener('click', function (e) { var allHTMLValues = document.querySelectorAll('.numberDemo'); var counter = 1; for (temp of allHTMLValues) { temp.innerText = 'The Paragraph is in order ' + (counter); counter = counter + 1; } }); </script> </html>
To run the above program, save the file name “anyName.html(index.html)”. Righ click on the file and select the option “Open with Live Server” in Visual Studio Code editor.
Output
This will produce the following output on console −
On clicking the button, you will get a sequence −