Count of the text fields empty

Hello. I'm looking for a way to count empty text fields in a pdf form and have the result automatically entered in another field in the same form. Thanks in advance for your help.

OK, here's a simple custom calculate script for a text field that displays the number of empty text that are named "nº1' - 'num.10: fields

// Custom Calculate script
(function () {

    // Initialize sum of blank fields
    var sum = 0;

    // Count how many fields are blank
    for (var i = 1; i < 11; i += 1) {
        if (!getField("num." + i).valueAsString) sum += 1;
    }

    // Set this field value to the sum
    event.value = sum;

})();

Tags: Acrobat

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