We can create a <details> element via the document.createElement()
method:
var x = document.createElement("DETAILS");
Click the button to create a DETAILS element.
<!DOCTYPE html> <html> <body> <button onclick="myFunction()">Test</button> <script> function myFunction() {//from w ww .ja v a 2s .c o m var x = document.createElement("DETAILS"); var t = document.createTextNode("Some additional details..."); x.appendChild(t); document.body.appendChild(x); } </script> </body> </html>