Validate for all fields

    $("body").on("click", ".edit-job", function(){

        //validation for all fields
        var valid = true;

        $('#form-with-customs input').each( function(){
                if($.trim($(this).val()) == ''){
                    valid = false;
                }
        });

        if(!valid) {
            $('.error-valid').html('All fields must be full')
                .css('color','red')
                .animate({'paddingLeft':'10px'},400)
                .animate({'paddingLeft':'5px'},400);
            return false;
        } else {
            $('.error-valid').html("")
        }
    });
});