Answers for "jquery checkbox validation"

jquery check checkbox

$('.myCheckbox').prop('checked', true);
$('.myCheckbox').prop('checked', false);

check whether a checkbox is checked in jQuery

if ($('#grepperRocks').is(':checked')) {
	// this checkbox is checked
}

how to check the checkbox in jquery

check all checkbox whit button

// Check #x
$( "#x" ).prop( "checked", true );
 
// Uncheck #x
$( "#x" ).prop( "checked", false );


example

      $('.checkAll').click(function () {
                if($(':checkbox').is(':checked')){
                    $(':checkbox').prop( "checked", false );
                }else{
                    $(':checkbox').prop( "checked", true );
                }
            })

how do i check if JQuery checkbox is checked

$('#isAgeSelected').click(function() {
    $("#txtAge").toggle(this.checked);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js">
  </script>
<input type="checkbox" id="isAgeSelected"/>
<div id="txtAge" style="display:none">Age is something</div>

check checkbox by jquery

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