how to change the text with jquery code example

Example 1: jquery replace text

$('#id1 p').each(function() {
    var text = $(this).text();
    $(this).text(text.replace('Kate', 'Nef')); 
});

Example 2: 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