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                <!DOCTYPE html> 
<html lang="en">
  <meta charset="utf-8">
  <title>A typical HTML table with simple styling</title>
<table id="myTable">
 <caption>A typical HTML table</caption>  
    <th scope="col">Given Name</th>
    <th scope="col">Family Name</th> 
    <th scope="col">Age</th>
  <p>Click to add a new row</p>
  <button onclick="insertRow();">Add a new row</button>
  <p>Click to delete the first row of the table</p>
  <button onclick="deleteFirstRow();">Delete first row</button>


                table {
  border:1px solid;
  border-collapse: collapse;

tr, th, td {
  border:1px solid;

td {


                function borderCollapse() {
  var table = document.querySelector("table"); = "collapse";

function insertRow() {
  var table = document.querySelector("#myTable");
  // without parameters, insert at the end,
  // otherwise parameter = index where the row will be inserted
  var row = table.insertRow();
  var cell1 = row.insertCell();
  cell1.innerHTML = "New cell1";
  var cell2 = row.insertCell();
  cell2.innerHTML = "New cell2";
  var cell3 = row.insertCell();
  cell3.innerHTML = "New cell3";

function deleteFirstRow() {
  var table = document.querySelector("#myTable");
  table.deleteRow(1); // 0 is the header