`js` trigger submits an empty object error

Question

js trigger submits an empty object error

 <input hidden  type="text" id="flag" name="flag" value="${model.flag}" >

$('input[value="submit"]').hide();
    $('#bt-yes').click(function () {
        $('#flag').val("1")
        $('input[value="submit"]').trigger()
    })

errorInfo:

Uneaught TvoeError: Cannot convert undefined or null to object

Answer 1

.trigger To pass the event name, change to

$('input[value="submit"]').trigger('click')
// or
$('input[value="submit"]').click()