We can create a <td> element via the document.createElement()
method:
var x = document.createElement("TD");
Click the button to create a TD element.
<!DOCTYPE html> <html> <head> <style> table, th, td { border: 1px solid black; } </style>//from w w w.java2s.c o m </head> <body> <table id="myTable"> <tr id="myTr"> </tr> </table> <button onclick="myFunction()">Test</button> <script> function myFunction() { var x = document.createElement("TD"); var t = document.createTextNode("new cell"); x.appendChild(t); document.getElementById("myTr").appendChild(x); } </script> </body> </html>