Tic-tac-toe game in JavaScript

I believe that the essence of this game is known to everyone, so we will immediately begin to implement.

First, let's make the playing field in the form of a table <table>:

<table id="field">
	<tr>
		<td></td>
		<td></td>
		<td></td>
	</tr>
	<tr>
		<td></td>
		<td></td>
		<td></td>
	</tr>
	<tr>
		<td></td>
		<td></td>
		<td></td>
	</tr>
</table>

Let's add some CSS code to make things look pretty:

#field td {
	width: 50px;
	height: 50px;
	border: 1px solid black;
	text-align: center;
	font-weight: bold;
}

Get the cells of our table into a variable:

let cells = document.querySelectorAll('#field td');

Copy the following HTML, CSS and JavaScript codes for yourself.