JavaScript not saving

Question

So, I keep putting this script into a checkbox:var checkbox = this.getField("Check Enclosed");
var fields = ["Signature", "Billing Address", "Name on Card", "CVV", "Exp Date", "Name", "Card"];
function setRequiredFields() {
    for (var i = 0; i < fields.length; i++) {
        var field = this.getField(fields[i]);
        field.required = checkbox.value === "Off";
    }
}
checkbox.setAction("MouseUp", "setRequiredFields();");
setRequiredFields(); And it works fine, but when I save and open the document again it replaces the script with just  setRequiredFields();Anyone know why this might be happening?

try67 · Accepted Answer

Because that's what you're telling it to do in the penultimate line of your code... The first part of the code (until the end of the function) seems like it should be a doc-level script, although defining the check-box variable outside the function doesn't make much sense.

The line before last should be executed only once, from the JS Console.

The last line should be removed entirely.

Bernd Alheit · Answer

The reason is this line:checkbox.setAction("MouseUp", "setRequiredFields();");

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