how to get inner html in jquery code example

Example 1: inner html jquery

$('#selector').text('Your text here');

Example 2: jquery set html of element

$("button").click(function(){
  $("p").html("Hello <b>world</b>!");
});

Example 3: innerhtml jquery

var itemtoReplaceContentOf = $('#regTitle');
itemtoReplaceContentOf.html('');
newcontent.appendTo(itemtoReplaceContentOf);