Prevent field blocking if search decitre with empty ISBN
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@ -39,6 +39,9 @@ document.addEventListener("DOMContentLoaded", function (event) {
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}
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isbnButton.addEventListener('click', function (event) {
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if (!isbn.value) {
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return;
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}
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disableFields();
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$.get("/isbn_api/" + isbn.value, {}, function (data, status, xhr) {
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