jquery change checked checkbox code example

Example 1: jquery set checkbox

//jQuery 1.6+ use:
$('.checkboxClass').prop('checked', true);
//jQuery 1.5.x and below use:
$('.checkboxClass').attr('checked', true);

Example 2: how to change checkbox state in jquery

$('[name="SelectedGroup"]').prop('checked', true);

Example 3: check checkbox by jquery

$('.myCheckbox')[0].checked = true;
$('.myCheckbox')[0].checked = false;