disable enable button onclick using jquery code example

Example 1: enable button jquery

$('#ButtonId').prop('disabled', false);

Example 2: disable button click jquery

function load(recieving_id){
    $('#roommate_but').prop('disabled', true);
    $.get('include.inc.php?i=' + recieving_id, function(data) {
        $("#roommate_but").html(data);
    });
}