jquery set checked state code example
Example 1: Setting “checked” for a checkbox with jQuery
$('.myCheckbox').prop('checked', true);
$('.myCheckbox').prop('checked', false);
Example 2: jquery checkbox set checked
//For jQuery 1.6 and above
$('#myCheckBoxID').prop('checked', true);
//For jQuery Before 1.6
$('#myCheckBoxID').attr('checked','checked');
Example 3: check a checkbox jquery
$('#grepperRocks').prop('checked', true);
Example 4: set checkbox checked jquery
$("#checkboxid").attr('checked', true);