JSFiddle - React, Tailwind, and code Playground

HTML

<table id="myTable"></table>

JavaScript

$(document).ready(function () {
    
    var d = new Date();
    var n = new Date(d.getYear(), d.getMonth()+1, 0).getDate();
    
    for (var i = 1; i <= n; i++) {
        var row = '<tr><td>'+ i + "/" + (d.getMonth() + 1) + "/" + d.getFullYear()+'</td><td><td/><td><td/><td><td/></tr>';
        $('#myTable').append(row);
    }
});