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<!DOCTYPE html> <html> <head> <style> table, td { border: 1px solid black; } </style> </head> <body> <p>Click the button to alert the innerHTML of the first tr element (index 0) in the table.</p> <table id="myTable"> <tr> <td>Row1 cell1</td> <td>Row1 cell2</td> </tr> <tr> <td>Row2 cell1</td> <td>Row2 cell2</td> </tr> <tr> <td>Row3 cell1</td> <td>Row3 cell2</td> </tr> </table> <br> <button onclick="myFunction()">Try it</button> <script> function myFunction() { alert(document.getElementById("myTable").rows[0].innerHTML); } </script> </body> </html>