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Check checkbox by jquery

JQuery is checkbox checked

//using plane javascript 
if(document.getElementById('on_or_off_checkbox').checked) {
    //I am checked
} 

//using jQuery
if($('#on_or_off_checkbox').is(':checked')){
    //I am checked
}

Check checkbox by jquery

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

Source: stackoverflow.com

Jquery checkbox checked

$("checkbox").is(":checked")

Source: stackoverflow.com

Jquery in checkbox checked

// Check a checkbox
$(selector).prop('checked', true);
// Un-check a checkbox
$(selector).prop('checked', false);
// Determine if checked or not
isChecked = $(selector).prop('checked');

Check whether a checkbox is checked in jQuery

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

Source: stackoverflow.com

Check checkbox by jquery

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

Source: stackoverflow.com

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