I was learning about appendChild and have so far come up with this code:
var blah = "Blah!";
var t = document.createElement("table"),
  tb = document.createElement("tbody"),
  tr = document.createElement("tr"),
  td = document.createElement("td");
t.style.width = "100%";
t.style.borderCollapse = 'collapse';
td.appendChild(document.createTextNode(blah));
// note the reverse order of adding child        
tr.appendChild(td);
tb.appendChild(tr);
t.appendChild(tb);
document.getElementById("theBlah").appendChild(t);
<div id="theBlah">d</div>
But that gives me an error saying Uncaught TypeError: Cannot call method 'appendChild' of null. What am I doing wrong?
Try wrapping your JavaScript in an onload function. So first add:
<body onload="load()">
Then put your javascript in the load function, so:
function load() {
    var blah="Blah!";
    var t  = document.createElement("table"),
    tb = document.createElement("tbody"),
    tr = document.createElement("tr"),
    td = document.createElement("td");
    t.style.width = "100%";
    t.style.borderCollapse = 'collapse';
    td.appendChild(document.createTextNode(blah)); 
    // note the reverse order of adding child        
    tr.appendChild(td);
    tb.appendChild(tr);
    t.appendChild(tb);
   document.getElementById("theBlah").appendChild(t);
}
                        If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With