celilcan

window.addEventListener("load", function() { document.addEventListener("click", function(e) { if (e.target && e.target.id === "ov_hesaplaBtn") { const lastPeriod = document.getElementById("ov_lastPeriod").value; const cycleLength = parseInt(document.getElementById("ov_cycleLength").value); if (!lastPeriod || !cycleLength) { document.getElementById("ov_sonuc").innerHTML = "Lütfen tüm alanları doldurun."; return; } const lastDate = new Date(lastPeriod); const ovulationDay = new Date(lastDate); ovulationDay.setDate(lastDate.getDate() + (cycleLength - 14)); const fertileStart = new Date(ovulationDay); fertileStart.setDate(ovulationDay.getDate() - 3); const fertileEnd = new Date(ovulationDay); fertileEnd.setDate(ovulationDay.getDate() + 1); document.getElementById("ov_sonuc").innerHTML = "Tahmini Yumurtlama Günü: " + ovulationDay.toLocaleDateString("tr-TR") + "
Verimli Gün Aralığı: " + fertileStart.toLocaleDateString("tr-TR") + " - " + fertileEnd.toLocaleDateString("tr-TR"); } }); });