$('button').on('click', function() {
var $select = $('select');
var selectedVal = parseFloat($select.val());
if (selectedVal === 3) {
$select.find('option').not('[value="' + selectedVal + '"]').attr('disabled', 'disabled');
}
});
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
// ваш код для мобильных устройств
}
if (window.innerWidth <= 800) {
// ваш код
}
src="https://www.youtube.com/embed/[[*youtube-id]]?enablejsapi=1"
document.getElementById('video').contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}', '*');
var newInput = '<label class="col-sm-2 control-label">Ответ</label>' +
'<div class="col-sm-10">' +
'<div class="input-group">' +
'<span class="input-group-addon">' +
'<input type="checkbox">' +
'</span>' +
'<input type="text" class="form-control">' +
'</div><!-- /input-group -->' +
'</div>';