JQuery Set Text von H1
$('#id').text("New Text");
Chris PA
$('#id').text("New Text");
$('#dialog_title_span').text("new dialog title");
BY LOVE
$('#btnid').text('Show');
$("#my-button").attr("value", "Button 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
.text("new text")