📅  最后修改于: 2022-03-11 15:03:37.834000             🧑  作者: Mango
$('.check-fields').on('click', function () {
var reqlength = $('.required-entry').length;
console.log(reqlength);
var value = $('.required-entry').filter(function () {
return this.value != '';
});
if (value.length>=0 && (value.length !== reqlength)) {
alert('Please fill out all required fields.');
} else {
alert('Everything has a value.');
}
});