JSFiddle - React, Tailwind, and code Playground

HTML

<div id="tab"></div>

CSS

td:nth-child(odd){
	background-color: yellow;
}
td:nth-child(even){
	background-color: green;
}

JavaScript

var lin = prompt("linha");
lin = parseInt(lin);
var col = prompt("coluna");
col = parseInt(col);

var conteudo = "<table border = 0>";

for (i = 1; i <= lin; i++) {
    conteudo += "<tr>";
    for (j = 1; j <= col; j++) {
        conteudo += "<td>" + (i + "," + j) + "</td>"
    }
    conteudo += "</tr>";
}

conteudo += "</table>";
document.getElementById("tab").innerHTML = conteudo;