Variation B Conv. Rate
${(rateB * 100).toFixed(2)}%
`;
if (isSignificant) {
resultHTML += `
Result is Statistically Significant!
With ${confidence.toFixed(2)}% confidence, Variation ${winner} is the winner.
It performed ${uplift}% better than Variation ${loser}.
`;
} else {
resultHTML += `
Result is Not Statistically Significant.
With only ${confidence.toFixed(2)}% confidence, we cannot be sure the difference is not due to random chance.
Consider running the test longer to gather more data.
`;
}
resultsDiv.innerHTML = resultHTML;
resultsDiv.classList.remove('hidden');
}
// PDF Generation Function
window.generatePdf = async function() {
const { jsPDF } = window.jspdf;
const content = document.getElementById('pdf-content');
const buttonContainer = document.getElementById('pdf-button-container');
if (!content) return;
// Temporarily hide the button container so it's not in the PDF
if (buttonContainer) buttonContainer.style.display = 'none';
try {
const canvas = await html2canvas(content, {
scale: 2, // Improve resolution
useCORS: true,
logging: false
});
const imgData = canvas.toDataURL('image/png');
const pdf = new jsPDF({
orientation: 'p',
unit: 'mm',
format: 'a4'
});
const pdfWidth = pdf.internal.pageSize.getWidth();
const pdfHeight = pdf.internal.pageSize.getHeight();
const imgWidth = canvas.width;
const imgHeight = canvas.height;
const ratio = imgWidth / imgHeight;
let finalImgWidth = pdfWidth - 20; // with margin
let finalImgHeight = finalImgWidth / ratio;
// If the image is too tall for the page, scale it down
if (finalImgHeight > pdfHeight - 20) {
finalImgHeight = pdfHeight - 20;
finalImgWidth = finalImgHeight * ratio;
}
const x = (pdfWidth - finalImgWidth) / 2;
pdf.setFont("helvetica", "bold");
pdf.setFontSize(18);
pdf.text("Email Campaign Performance Report", pdfWidth / 2, 15, { align: 'center' });
pdf.addImage(imgData, 'PNG', x, 25, finalImgWidth, finalImgHeight);
pdf.save('Email-Campaign-Report.pdf');
} catch (error) {
console.error("Error generating PDF:", error);
alert("Sorry, there was an error generating the PDF. Please try again.");
} finally {
// Show the button container again
if (buttonContainer) buttonContainer.style.display = 'flex';
}
}
// Initialize the view
showTab(0);
});
