how to set the string of element in jquery code example

Example 1: jquery change text

$(yourElement).html("New text");
//sets yourElement innerHTML to "New text"
var text = $(yourElement).html();
//html() returns the text inside yourElement if you pass no parameters

Example 2: how to put html inside jquery text

$('div.demo-container').html('<p>All new content. <em>You bet!</em></p>');