JSFiddle - React, Tailwind, and code Playground

JavaScript

var var1 = 0,
                var2 = 1,
                var3 = 1,
                data = [0,1],
                html = '',
                num = 20;

            for(var i=3; i <= num;i++)
            {
                var3 = var1 + var2;
                var1 = var2;
                var2 = var3;

                data.push(var3);
            }
            html = "<table><tbody><tr><td>" + data.join("</td></tr><tr><td>") + "</td></tr></tbody></table>";
            document.write(html);