Write the code to paint all diagonal table cells in red.

You’ll need to get all diagonal <td> from the <table> and paint them using the code:

// td should be the reference to the table cell
td.style.backgroundColor = 'red';

The result should be:

باز کردن یک sandbox برای تمرین.

We’ll be using rows and cells properties to access diagonal table cells.

باز کردن راه‌حل درون sandbox.