JSFiddle - React, Tailwind, and code Playground

JavaScript

document.write("<table border=\"1\">");
for (var i = 1; i <= 9; i++ ) {   //this is the outer loop

  document.write("<tr>");
  document.write("<td>" + i + "</td>");

   for ( var j = 2; j <= 9; j++ ) { // This is the inner loop
        document.write("<td>" + i * j + "</td>");
    }

   document.write("</tr>");
}

document.write("</table>");