Seen here: http://amuchamu.bitacoras.com/archivos/2005/02/17/previsualizacion_de_comentarios (spanish explain).
javascript code:
function preview(id1, id2){ var NewText = document.getElementById(id1).value; splitText = NewText.split(/\n/).join("<br />"); var DivElement = document.getElementById(id2); DivElement.innerHTML = splitText; }
html code:
<form action="#"> <label>Name:</label> <input type="text" id="nombre" onkeyup="preview('name', 'preview-name');" /> <label>Phone:</label> <input type="text" id="phone" onkeyup="preview('phone', 'preview-phone');" /> </form> <h2>Preview</h2> <dl> <dt>Name:</dt> <dd id="preview-name"></dd> <dt>Phone:</dt> <dd id="preview-phone"></dd> </dl>