JSFiddle - React, Tailwind, and code Playground

HTML

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

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++) {
		var cor = (j % 2 == 0) ? 'green' : 'yellow';
        conteudo += "<td style=\"background-color:" + cor + ";\">" + (i + "," + j) + "</td>"
    }
    conteudo += "</tr>";
}

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