.html() code example
Example 1: jquery set html of element
$("button").click(function(){
$("p").html("Hello <b>world</b>!");
});
Example 2: innerhtml jquery
var itemtoReplaceContentOf = $('#regTitle');
itemtoReplaceContentOf.html('');
newcontent.appendTo(itemtoReplaceContentOf);
Example 3: how to put html inside jquery text
$('div.demo-container').html('<p>All new content. <em>You bet!</em></p>');