settings/js/panels/backgroundjobs.js
$(document).ready(function() {
$('#backgroundjobs span.crondate').tooltip({placement: 'top'});
$('#backgroundjobs input').change(function () {
if ($(this).is(':checked')) {
var mode = $(this).val();
if (mode === 'ajax' || mode === 'webcron' || mode === 'cron') {
OC.AppConfig.setValue('core', 'backgroundjobs_mode', mode);
// clear cron errors on background job mode change
OC.AppConfig.deleteKey('core', 'cronErrors');
}
}
});
});