1$('.check-fields').on('click', function () {
2
3    var reqlength = $('.required-entry').length;
4    console.log(reqlength);
5    var value = $('.required-entry').filter(function () {
6        return this.value != '';
7    });
8
9    if (value.length>=0 && (value.length !== reqlength)) {
10        alert('Please fill out all required fields.');
11    } else {
12        alert('Everything has a value.');
13    }
14});