Please enter a valid number.

"; return; } let baseValueInJPerM3; // Convert all input units to J/m³ (base unit) switch (fromUnit) { case "J/m3": baseValueInJPerM3 = inputValue; break; case "uJ/cm3": baseValueInJPerM3 = inputValue * 1e3; // 1 µJ/cm³ = 1000 J/m³ break; case "Ws/L": baseValueInJPerM3 = inputValue * 1000; // 1 Ws/L = 1000 J/m³ break; } let convertedValue; // Convert base J/m³ to target unit switch (toUnit) { case "J/m3": convertedValue = baseValueInJPerM3; break; case "uJ/cm3": convertedValue = baseValueInJPerM3 / 1e3; break; case "Ws/L": convertedValue = baseValueInJPerM3 / 1000; break; } resultDiv.innerHTML = `

${inputValue} ${fromUnit} equals

${convertedValue.toLocaleString(undefined, {maximumFractionDigits: 6})} ${toUnit}

`; }; window.downloadPDF = function () { const { jsPDF } = window.jspdf; const doc = new jsPDF(); const title = "Acoustic Energy Density Conversion"; const content = document.getElementById("conversionResult").innerText.trim(); if (!content || content.includes("enter values")) { alert("No results available to download."); return; } doc.setFontSize(16); doc.text(title, 10, 20); doc.setFontSize(12); doc.text("Generated by Acoustic Energy Density Converter", 10, 30); doc.text("Results:", 10, 40); doc.text(content, 10, 50); doc.save("Acoustic_Energy_Density_Result.pdf"); }; // Load jsPDF dynamically const script = document.createElement("script"); script.src = "https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js"; script.onload = () => { console.log("jsPDF loaded successfully"); }; document.head.appendChild(script); });