JSFiddle - React, Tailwind, and code Playground

by praveen_jegan

HTML

<table id="tab" border=1>
    <tr>
        <td>A col1</td>
        <td>A col2</td>
    </tr>
</table>

JavaScript

var table = document.getElementById("tab");
var index = table.getElementsByTagName("tr").length;
var newRow = table.insertRow(index);
newRow.id = "row" + 2;
for (var i = 0; i < 2; i++) {
    var newCell = newRow.insertCell(i);
    var newText = document.createTextNode("r2col" + i);
    newCell.appendChild(newText);
}

console.log(table);