/Javascript/jQuery/Jquery check if input is empty

Jquery check if input is empty

Jquery check if input is empty on submit

var empty = true;
$('input[type="text"]').each(function() {
   if ($(this).val() != "") {
      empty = false;
      return false;
   }
});

Source: stackoverflow.com

Check textbox is empty in jquery

if ( $("#txt").val().length == 0 )
{
  // do something
}

Source: stackoverflow.com

Jquery check if input is empty

if ($.trim($("user_name_intend").val()).length != 0 &&
            $.trim($("user_telephone_intend").val()).length != 0 &&
            $.trim($("user_email_intend").val()).length != 0 &&
            $.trim($("user_comment_intend").val()).length != 0) {
            $.ajax({
                url: "/makeOrder",
                type: "POST",
                data: {
                    quantity: 1,
                    min_quantity: 1,
                    max_quantity: 100,
                    name: $('#user_name_intend').val(),
                    telephone: $('#user_telephone_intend').val(),
                    email: $('#user_email_intend').val(),
                    comment: $('#user_comment_intend').val(),
                    product_id: {{ product_id }},
                },
                dataType: "json",
                success: function (t) {
                    $("#intendformpost").submit();
                },
            });
        } else {
            alert("Kerakli maydonlar to'ldirilmagan")
        }

Check fro text input jquery

$('#apply-form input').blur(function()
{
    if( !$(this).val() ) {
          $(this).parents('p').addClass('warning');
    }
});

Source: stackoverflow.com

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