How to insert a javascript textNode element on a newline

Use <br> to separate them as like this

var br = document.createElement("br");
element.appendChild(br);

Rendering engines don't consider linefeed and carriage return to be rendered. Better if you use a <br /> like this:

var textNode = document.createTextNode("Node on line 1");
element.appendChild(textNode);

var linebreak = document.createElement('br');
element.appendChild(linebreak);

var linebreak = document.createElement('br');
element.appendChild(linebreak);

textNode = document.createTextNode("Node on line 2");
element.appendChild(textNode);

Thanks Doug Owings. Also http://jsfiddle.net/Q8YuH/3/