Bingo Card Generator: Free Printable 1-75 Bingo Cards

';var frame = document.createElement('iframe'); frame.style.cssText = 'position:fixed;right:0;bottom:0;width:0;height:0;border:0;opacity:0;pointer-events:none;'; document.body.appendChild(frame);var frameDoc = frame.contentDocument || frame.contentWindow.document; frameDoc.open(); frameDoc.write(html); frameDoc.close();function cleanup() { if (frame && frame.parentNode) { frame.parentNode.removeChild(frame); frame = null; } }setTimeout(function () { try { frame.contentWindow.focus(); frame.contentWindow.print(); } catch (e) { /* Fallback: print main window */ cleanup(); } /* Clean up after print dialog closes */ if ( frame && frame.contentWindow && typeof frame.contentWindow.onafterprint !== 'undefined' ) { frame.contentWindow.onafterprint = cleanup; } /* Fallback cleanup */ setTimeout(cleanup, 120000); }, 350); }/* --- Event listeners --- */ generateEl.addEventListener('click', generateAllCards); downloadEl.addEventListener('click', downloadPDF); pickerEl.addEventListener('input', function () { setColor(this.value); }); hexEl.addEventListener('change', function () { setColor(this.value); }); headerEl.addEventListener('change', renderPreview); freeEl.addEventListener('change', renderPreview); countEl.addEventListener('change', generateAllCards); perPageEl.addEventListener('change', generateAllCards);prevBtnEl.addEventListener('click', function () { if (viewIndex > 0) { viewIndex--; renderPreview(); } }); nextBtnEl.addEventListener('click', function () { var perPage = parseInt(perPageEl.value, 10) || 1; var total = perPage === 4 ? Math.ceil(cards.length / 4) : cards.length; if (viewIndex < total - 1) { viewIndex++; renderPreview(); } });/* --- Init --- */ generateAllCards(); })();