Filing Status: ${filingStatusEl.options[filingStatusEl.selectedIndex].text}

Other Taxable Income: ${formatCurrency(otherTaxableInc)}

`; } longTermAmountEl.textContent = formatCurrency(longTermPortion); shortTermAmountEl.textContent = formatCurrency(shortTermPortion); longTermAmountEl.className = longTermPortion >= 0 ? 's1256-result-gain' : 's1256-result-loss'; shortTermAmountEl.className = shortTermPortion >= 0 ? 's1256-result-gain' : 's1256-result-loss'; if (netGainLoss >= 0) { // Net Gain Scenario gainResultsEl.style.display = 'block'; lossResultsEl.style.display = 'none'; const taxOnOtherIncomeBaseline = calculateTaxProgressively(otherTaxableInc, ordinaryBrackets[filingStatus]); const incomeWithSTCG = otherTaxableInc + shortTermPortion; const taxOnIncomeWithSTCG = calculateTaxProgressively(incomeWithSTCG, ordinaryBrackets[filingStatus]); const taxSTCG = taxOnIncomeWithSTCG - taxOnOtherIncomeBaseline; // LTCG tax is calculated on the LTCG amount, considering it stacks on top of (Other Income + STCG portion) const taxLTCG = calculateLTCGTax(longTermPortion, incomeWithSTCG, filingStatus); const totalTaxOnGain = taxSTCG + taxLTCG; const combinedTaxableInc = otherTaxableInc + shortTermPortion + longTermPortion; const effectiveRateOnGain = netGainLoss > 0 ? (totalTaxOnGain / netGainLoss) * 100 : 0; taxShortTermEl.textContent = formatCurrency(taxSTCG); taxLongTermEl.textContent = formatCurrency(taxLTCG); totalTaxEl.textContent = formatCurrency(totalTaxOnGain); combinedIncomeEl.textContent = formatCurrency(combinedTaxableInc); effectiveRateEl.textContent = `${effectiveRateOnGain.toFixed(2)}%`; } else { // Net Loss Scenario gainResultsEl.style.display = 'none'; lossResultsEl.style.display = 'block'; // No tax calculation for losses in this tool, just informational notes displayed by HTML. } if (resultsContainer) resultsContainer.style.display = 'block'; } function generatePdf() { if (resultsContainer && resultsContainer.style.display !== 'none' && window.html2canvas && window.jspdf) { const { jsPDF } = window.jspdf; const pdfElement = resultsContainer; const originalStyles = { boxShadow: pdfElement.style.boxShadow, marginTop: pdfElement.style.marginTop }; pdfElement.style.boxShadow = 'none'; pdfElement.style.marginTop = '0px'; html2canvas(pdfElement, { scale: 1.5, useCORS: true, backgroundColor: '#ffffff' }).then(canvas => { pdfElement.style.boxShadow = originalStyles.boxShadow; pdfElement.style.marginTop = originalStyles.marginTop; const imgData = canvas.toDataURL('image/png'); const pdf = new jsPDF({ orientation: 'p', unit: 'pt', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(); const pdfHeight = pdf.internal.pageSize.getHeight(); const imgProps = pdf.getImageProperties(imgData); const margin = 30; const availableWidth = pdfWidth - 2 * margin; let scaleFactor = availableWidth / imgProps.width; let scaledImgHeight = imgProps.height * scaleFactor; let scaledImgWidth = availableWidth; if (scaledImgHeight > pdfHeight - 2 * margin) { // If too tall, scale by height const availableHeight = pdfHeight - 2 * margin; scaleFactor = availableHeight / imgProps.height; scaledImgHeight = availableHeight; scaledImgWidth = imgProps.width * scaleFactor; } const xOffset = (pdfWidth - scaledImgWidth) / 2; // Center horizontally pdf.addImage(imgData, 'PNG', xOffset, margin, scaledImgWidth, scaledImgHeight); pdf.save('Section1256_Tax_Estimate_2024.pdf'); }).catch(err => { console.error("Error generating PDF:", err); pdfElement.style.boxShadow = originalStyles.boxShadow; pdfElement.style.marginTop = originalStyles.marginTop; alert("Error generating PDF. Please try again."); }); } else { alert('Please calculate the estimate first before downloading the PDF.'); } } if (calculateButton) calculateButton.addEventListener('click', calculateAndDisplayTaxes); if (downloadPdfButton) downloadPdfButton.addEventListener('click', generatePdf); });