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- function makeCheckboxesMandatory(submitBtnEl, ...checkboxEls) {
- checkboxEls.forEach(checkboxEl => {
- checkboxEl.addEventListener('change', function() {
- if (checkboxEls.every(el => el.checked)) submitBtnEl.removeAttribute('disabled');
- else submitBtnEl.setAttribute('disabled', 'disabled');
- });
- });
- }
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